David Urmaster，Chief Sex Therapist（2012-present）
Such a question reflects that the questioner is clearly devoid of the some of the most basic knowledge about how the Chinese army actually fought during the Korean War.The short answer to your question is：the UN forces led by the U.S.could not have held off the Chinese.The longer answer is as follows：
The Chinese，especially their infantry，in the Korean War fought better than the German infantry did in WWII，not accordi ng to me，but according to General Sir Farrar-Hockley，former Commander-in-Chief of NATO’s Allied Forces Northern Europe ho had been a veteran of both WWII and the Korean War，and a POW during the Korean War.In his memoir titled”The BritishPart In The Korean War”，he had this to say about the Chinese soldiers in the Korean War：”Having fought in both WWII andthe Korean War，I have witnessed first-hand how the German，American，Soviet，and Chinese soldiers fought.I have to admi t that German soldiers were superior to those of both the Americans and the Soviets.But Chinese soldiers were superior to those of the Germans.
The Chinese won because of absolutely brilliant and unique strategy and tactics combined with unrivalled discipline and a will of steel that was tougher than nails，unlike any of their opponents.
It is an ignorant stereotype that they used”human wave tactics”.For example，the Chinese soldiers never charged in”hum an waves”，but instead formed three-man squads in charges.If they had depended on manpower and”human wave tactics”，ther they would not have incurred only 17ik lives lost，according to official U.S.military estimates，throughout the more than3-year-long war against the overwhelming odds of fighting the 18-nation U.N.alliance led by the world’s only Superpowerwhich had total technological superiority and dominance of all of land，air，and sea，virtually unlimited supplies，as we Il as manpower that totaled more than i million troops in the world’s harshest terrain and climate where the extremely col d and bitter Korean winters were unlike any other.
For perspective，in WW1，60，000 British troops were killed in only one day of fighting when they used a real human wave t actic against the Germans，even though the British had been more or less equally well-armed as their German opponents.Yet，despite having been often outnumbered，vastly outclassed technologically，vastly outgunned and outsupplied，and havi ng often lacked enough food，clothing and supplies just to protect themselves from the harsh wintry elements，while also 1acking almost any heavy weaponry until very late in the war except for what they were able to captured from the enemy，the Chinese PVA（People’s Volunteer Army），which was one of the most backward peasant armies from one of the poorest nations in the world，still was able to deal defeat after defeat to the U.S.-led 18-nation coalition，pushing the alliance back from near the Yalu River all the way down the peninsula and across the 38th and 37th parallels，and even capturing the South Korean capital city of Seoul several times.
This was why the Korean War is known in U.S.history as”The Forgotten War”，because it was the first time that the U.S.was not able to win，despite having had vastly overwhelming advantages in all aspects of power metrics against an enemy that could not have looked more backward and pathetic.There’s so much that could be written and listed about the war that i llustrates why the Chinese were still able to prevail，and none of it having to do with”manpower”.
On the other hand，real human wave tactics were actually used by the U.S.side at such pivotal battles as Shang Gan Ling，where record-setting infantry feats of world military history were made by many Chinese soldiers like Hu Xiu Dao who single-handedly defended an important hill，killing more than 280 American soldiers in the process，after his fellow soldiers in the company had been killed in an American airstrike and artillery barrage.Even the American media at the time branded him a”murderous monster”.Similar unprecedented and still unrivalled kill-ratio world records of military history set by the Chinese against the American and U.N forces during the Korean War，like that of Gao Shou Yu who also single-handedly defended three different garrison bases，killing more than 120 U.S.troops single-handedly，while mainly using weapons captured from fallen enemy soldiers，after his fellow soldiers in the company had perished in a bombing attack，were aplenty.
这样的问题反映出提问者显然对 在朝鲜战争中的实际作战缺乏一些最基本的了解。你的问题的简单答案是：以 为首的联合国军不可能阻挡中国。
另一方面，在上甘岭等关键战役中，美军实际上使用了真正的人海战术。在战友在美军的空袭和炮击中丧生之后，像胡修道这样的中国士兵单枪匹马地保卫了一座重要的山丘，他在这一过程中杀死了280多名美军士兵，创造了世界 史上创纪录的步兵壮举。就连当时的美国媒体也给他贴上了“杀人魔王”的标签。在朝鲜战争期间，中国人对美国和联合国军队创造了很多类似的史无前例和无与伦比的世界 史上的杀戮率记录，比如高守宇，在连队的战友们在一次轰炸中丧生后，他主要使用从倒下的敌军士兵手中缴获的武器单枪匹马保卫了三个不同的驻军阵地并杀死了120多名美国士兵。
Nick William，B.A.History&Education，Wittenberg University（2019）
Originally Answered：What if the Korean War was fought to the bitter end，with no sign of compromise or intent to ceasefi re on either side？
In that case the world would lament dearly.Inevitably a total war from the UN forces and China would have eventually dra wn in the rest of the world and we would have ended up in wW3.
NATO/UN would have moved upinto China eventually，either by pushing the Chinese army back or，if that was not feasible，at least through large scale bombing campaigns in the same vein as the massive industrial bombing in WW2.Russia would hav e moved to support it’s ally because it couldn’t afford to lose Communist China，everyone ends up at war，and eventually MacArthur the madman（I’m assuming that if America was willing to fight to the bitter end then it wouldn’t have fired M acArthur）drops the A-bomb and the war goes atomic.Luckily nuclear missiles don’t exist yet so we may not have M.A.D.oc cur，but the death toll due to atomic fire would still be vast.Ultimately tens of millions die by the end of the fighting tears and blood flow like rivers，and the world is a much worse place.
I think the UN forces would have defeated the Communists eventually，for the same reason the allies won WW2，which is gre ater industrial and logistical strength，but would it really be worth the sacrifices necessary to achieve？
Edgar D.McDonald II，former Corrections，Parole Probation，Investigations at California（1973-2001）
Originally Answered：What if the Korean War was fought to the bitter end，with no sign of compromise or intent to ceasefi re on either side？
For that to happen both Truman and Stalin would have been willing to risk WW3.
That was very unlikely.
Stalin could only hit Western Europe with Nukes at the time.So if push came to shove，he would have lost a number of cit ies in exchange for some in Western Europe.
That would have left the US Homeland intact.That wouldn’t be a very good trade at the time.
The US would have，and did hear from the governments of France and the UK，that they really did NOT want Truman to use Nu kes because they would suffer the consequences.
To push the war to its bitter conclusion would have resulted in losses that were unacceptable for either nation at the ti me.
This was just the first example as how the presence of nuclear weapons has resulted in much less open war and losses，but more proxy and asymmetric wars.The good news is the body count is way down looking at 1945 to present.
The 18 UN expeditionary forces in Korea（not the UN itself since the USSR was a UN member）would have signed a treaty wit h North Korea，and Communist China that UN expeditionary forces agree to pull out of Korea.
Very important note：Democratic People’s Republic of Korea and People’s Republic of China was unrecognised by the UN.a nd most nations around the world during the Korean War.
The Chinese People’s Liberation Army who fought in Korea was designated as People’s Volunteer Army to avoid all out war with NATO（separate from UN）.Many NATO members had a part in colonialism in China.The People’s Volunteer Army was eq valent to a mercenary army.A mercenary is an individual who takes part in military conflict for personal profit，is otherwise an outsider to the conflict，and is not a member of any other official military.In short terms，Mercenaries are non-combatants，and are not subject to Geneva Convention protection.
Nonetheless，Communist China sent their best from the PLA into the People’s Volunteer Army，and they was winning some ba ttles in 1953．
The PLA/PVA acquired large amounts of Soviet weaponry by late 1952.This meant the Chinese no longer relied on desperate massive wave attacks like they had in the early stages of the war 1950-1951.The Chinese starting by Jan 1953-July 1953 fired many artillery pieces，had anti-aircraft weapons，and engaged in tunnel warfare.By that point of the war，air power was ineffective for the UN.So，it is safe to say the Chinese was giving the 18 UN expeditionary forces a fight in the fin al stages of the war.As a result，the 18 UN expeditionary forces would have given up on South Korea.
In addition，Communist China was willing to continue the war because they had a lot to prove.China had a reputation of b eing militarily weak.China was submissive to foreign interests because they were weak.Aside from the military，Communist China wanted their right to a seat in the security council of the UN.Because of these additional reason Communist China fought in Korea to also get their recognition in the UN.
Aside from global reputation，Communist China was fighting 3 fronts.They were still engaged in the Civil War along the Taiwan Straits against KMT，insurgency in Tibet by Muslim KMT supporters，and insurgency in Soviet backed Turkmenistan（wh re the Uyrgurs live）.So.China wanted to discourage the West from exploiting the situation by flexing in Korea.
I know many of you’ll believe that nukes would been let out.I personally don’t agree.Neither the U.S or USSR wanted n uclear annihilation.Nuclear threats are nothing but bluffs by great powers who can’t win wars fair and square.
在朝鲜作战的中国人民解放军被命名为中国人民 ，以避免与北约（独立于联合国）爆发全面战争，因为许多北约成员国都参与过对中国的殖民。志愿军相当于雇佣兵，而雇佣兵是为了个人利益而参与 冲突的个人，他们在其他方面是冲突的局外人，并且不是任何其他官方军队的成员。简而言之，雇佣兵是非战斗人员，不受《日内瓦公约》的保护。
Arthur Beardsley，former Light Rail Transit Operator RetiredDLived in Portland
OR Depends.If McArthur hadn’t been fired by Truman and given free reign，Korea would be a united pro Western democracy.Bu tthe border would have been hotter than the Berlin Wall.Russia would have become part of the fray but the might of US industry，not that far removed from it’s WWII apogee would have most likely been able to defeat any Communist assault.We h ad The Bomb too.
If we had fought and won a war against the Communists the world would be much different than it is today.Vietnam wouldn’t have happened，or at least to the extent that it did and the US wouldn’t have felt pushed to be the first in arms and space.We might not have reached the moon until much later if at all.Certain things like transistor radios，（which led to electronic miniaturization and stuff like cell phones and high speed computers）would have been delayed.Even things like global warming might be worse as the US wouldn’t have been driven to be the first and best at everything，leaving us usi ng up coal and oil for a much longer time before exploring alternate energy sources.
But public opinion was against another war and the Russians had，or were close to having，the A Bomb.Truman feared that an escalation to full war could mean a nuclear war and he didn’t want to be known by the survivors of Earth as the Presid ent that caused the destruction of the world（and the central character in REM’s”The End Of The World”.）
Depends a lot on what we mean by longer’and what，if anything，is happening any differently in terms of the tempo and nature of the fighting A few additional months of the attrition warfare that marked the final phases of the war in 1953 might not have made much overall difference other than running up the casualty counts.We in the West don’t know an awfullot about the Chinese/North Korean capacity to wage total war and to generate new major ground offensives，but from theoutside we can safely assume that they*would*have launched another major offensive against UN forces defending South Ko rea in 1953 if they had been able to，but they didn’t.Thus one can assume that the Communist side’s strategy had shifte d to a defensive posture along the 38th parallel and containment of US/UN/South Korean forces.
The US/UN/South Korean side was also tired of the fighting，and was settling down into a similar defensive chain of canto nments along the edge of the battle area，and a stable long-term ceasefire seemed possible，if not an actual armistice.
Since there was not much enthusiasm for continuing the conven tional war on either side by 1953，any agitation for a continuation of hostilities past the historical ceasefire agreement would have essentially had to convince a great many decisio n-makers on one side or the other that the Korean War was winnable if only＂X＂.
For the Communist side，’X’probably meant pulling the Russians into the war to a much greater degree，providing additi onal ground troops and air power.The problem with this was that bringing the USSR into the Korean War was very likely to cause World War III to happen；the USA would have felt free in this case to ignore previous restrictions on strafing and b ombing targets within China and the Soviet unx’s Far East，to smash enemy airfields in both countries with unrestricted b ombing campaigns and to start using air power to interdict enemy troop movements toward Korea.Due to the difficulty the S oviets faced in terms of logistics-only one major railroad and maybe one badly-maintained highway connected the Soviet heartland to its Far Eastern territories-it is likely that few reinforcements of any kind could be sent to help the Chi nese in the Korean Peninsula，since entering the Korean war would allow UN and NATO forces in Europe to declare war on the USSR and its Eastern European puppet governments.
From that point，the Eisenhower Administration presides over a sudden repeat of World War II，this time with the Russiansand Chinese as mortal threats and with a definitive American superiority in nuclear warheads and warhead delivery systems The global war which would have escalated from Soviet entry into the Korean War would have looked a lot like’OperationDropshot 1957，an American military plan for conventional/nuclear conflict with the Communist block，but perhaps withou tthe elements of Communist strategic surprise and initial offensive success that Dropshot’s war planners envisioned.
For the American side，’X’meant reviving MacArthur’s request for nuclear weapons release and attempting to punch larg e enough holes in the enemy front lines in Korea with A-Bomb strikes.These sorts of strikes would have exposed allied troops in Korea to long-term health risks due to radiation hazards in nukes areas they would have been required to advance th rough.Yes，much ground could have been taken this way and it wasn’t very likely that the USSR would be able to retaliateeffectively in 1953 with whatever nuclear weapons it had in its inventory only four years after its own successful nuclear test；China and North Korea had no nuclear capability at all in those days.But another US first-use of nuclear weaponswould have amounted to a tremendous propaganda coup for the Conmunists；they could easily stand back and show the world t at America intended to back up its’corrupt international hegemony’by wielding nuclear firepower in the most cavalier f ashion imaginable.Thousands of Allied soldiers suffering from radiation sickness after being exposed to the after-effects of nearby tactical-nuclear warfare would also quickly erode US home front morale.
Michael Ciao，lives in San Francisco Bay Area
The Chinese forces would just kept on coming regardless of the losses.
Back then Chinese lives were cheap or worthless，they just suffered millions of combat losses during the Japanese invasio n and civil war，C couldn’t care less to lose a few millions more.
C took in millions of Nationalist POWs，it was difficult to feed and imprison millions of men，they were ordered to go to Korea as”volunteers”to fight，combat losses was a solution to a big internal problem.C didn’t care about the losses，10 to 1 or 100 to 1 kill was okay.
At the end of Korean War，over 20，000 Chinese POWs were released to Taiwan，they were given the choice，they choose to go to Taiwan instead of China，because they were Nationalists.
Kissinger and Nixon were shocked when Mao told them American could drop nuclear bomb on China to kill millions of Chinese，they didn’t care，they had too many people，China has many more people.It’s hard for Americans to understand it，but it made perfect sense to the Chinese people.Life was cheap.
except they didn’t”just kept on coming regardless of the losses”otherwise，they wouldn’t have agreed to”peace”talks.
The goal was a dividend Korea，strategically more beneficial long term，they never wanted one Korea，whichever ways.
no matter the whys&wherefors，they wouldn’t have”just kept on coming regardless of the losses”，as you stated they would.
Hanhwe Kim，researcher on South Korean POWs still held in North Korea DLives in San Francisco
The premise of this question is not realistic.
The Chinese intervened the way they did（staging an ambush against the UN forces with hastily deployed light infantry）pr ecisely beca use they had bet they could defeat MacArthur.They knew they would have difficulties fighting the heavily arme d Americans but also knew their forces（veterans of the Chinese Civil War and WW2）outclassed the South Koreans who made up the bulk of the UN forces.The Chinese also bet that the Americans did not know that they had already deployed into Nort h Korea and had significant forces behind the front line of the UN forces that could attack the logistics tail.
In that situation，once the Chinese could achieve operational and strategic surprise on the UN forces，there was no wayt he UN forces could have”held off”in the winter of 1950-51.The South Korean forces could be overrun，especially at ni ght.The Americans could be cut off from their logistics tail which they depended for the fuel and ammunition without whic h American armor and artillery would be useless.
The only situation where the UN forces could have held anything in North Korea is if MacArthur did not ignore the Chinesescouts the UN forces were capturing in increasing numbers as they advanced into North Korea and took time to establish st rong points around the key logistics depots the Americans（who had most of the firepower）relied on as well as aggressivel ylooking for Chinese forces in North Korea.The advance into North Korea by the UN forces would overall look more like th eUS Marines and X Corps advance into the Chosin Reservoir rather than the race to the Yalu River.
Since the Chinese could no longer have operational surprise，but the UN forces are advancing more slowly，they probably w ould advanced into North Korea with their heavy weapons rather than just the light infantry forces that made up the actual People’s Volunteer Army.
Mao could not afford to have a pro-American unified Korea on the Yalu river，and Stalin would not want that either.So th ey would have intervened openly and forcefully to save whatever is left of North Korea.Stalin might have even provided the air support he originally promised.And after a few skirmishes where both the Americans and Chinese suffer painfully（bu tnot the kind of catastrophe both sides actually suffered our actual timeline）they probably would dig in something simil ar to the current DMZ，but a few hundred kilometers to the North.
Since neither Stalin or the Americans could afford to spend the resources needed to unify the peninsula（but also could n ot afford to lose it entirely）the end result would be similar to what we have today-but perhaps an even smaller North K orea.
Lytiek Gethers，I read a whole lot on Korean War
Mao Zedong said in one of his speeches at a CPC congress when the war broke out that”China was going to fight to the la st man”.Mao was basically saying that he was willing to take high causalities as long as he could until the UN considere d an armistice（in which he filled that goal）.
So，if the UN was able to hold off the Chinese in North Korea，the Chinese would relentlessly keep charging at night with huger numbers.And during the day，the UN frontlines would be constantly harassed by Chinese mortars and snipers.
Gerald Cline，former Vietnam Veteran（Medic USAF）（1968-1974）
If the Peoples Liberation Army had failed to roll the UN Army back out of most of North Korea in the winter of 1950 it islikely the Soviet Red Army would have intervened in the conflict，spreading the war and likely triggering World War III a nd the use of nuclear weapons.I remember hearing an interview in the early gos with a retired Soviet officer from that era who was deployed in Siberia at the time commenting on the fact the Red Army was on alx to move south into the Korean Peninsula if the Peoples Liberation Army failed.The Korean War almost triggered World War III，just like the Cuban Missile C rises and the Yom Kippur War later in the Cold War.
Bruce Brews，24 years active duty，prof，mil，edu.，college hist.Courses，Lives in Massachusetts1997-present
The fact of the matter is that UN forces were lucky to escape.The best MacArthur could have done was push north to Korea’s waist north of Pyongyang and dig in.That would have shortened his overextended lines and forced the Chinese to frontal ly attack prepared UN positions supported by massed artillery and airpower.That might have worked，but would have left a”rump state”between China and the front lines.
The Chinese were determined to keep UN forces away from their border，so they surely would have done anything they could to prevent the UN from moving north to the Yalu.At the same time，American public opinion was not in favor of the war，so expanding it enough to drive out the Chinese completely was politically out of the question.
Most likely，had the Chinese failed to drive UN forces out of North Korea，the Chinese would either have propped up Kim Il-sung’s regime or installed a puppet regime to administer the rump state.They could have just absorbed the remaining No rth Korean territory into China，but I believe they would have preferred to keep it separate to serve as a”trip wire，”preventing direct American access to Chinese territory.