From the perspective of world history, for a small country within a group of countries, once it loses its backing, or the entire dependent power falls and perishes, then the end of this small country that has lost its protection will be very miserable. Because the big country with which it has hatred will take advantage of the void and directly attack the small country, once it does, the small country will only have to wait for death. Just like after the collapse of the Soviet Union, the West attacked Eastern Europe, attacked Yugoslavia, solved them one by one, and finally changed drastically in Eastern Europe and yugoslavia disintegrated, which can be described as unbearable. But there are exceptions to this, the most typical is Vietnam, the West hates Vietnam to the bone, but after the collapse of the Soviet Union, why did the United States not attack Vietnam? The reason is actually very simple, mainly three points.
Since The Second World War, the West and Vietnam have been competing, especially France and the United States, one after another against Vietnam. In particular, the United States fought in Vietnam for 20 years, and although it invested huge financial and military resources, it eventually ended in a fiasco. The small South Vietnamese regime that it supported itself was also wiped out, almost bringing the United States to a standstill. For this reason, for the United States, it is disgraceful and humiliating.
Therefore, the United States hated Vietnam very much, but in the Cold War environment at that time, it was difficult to destroy Vietnam in the great power game. But the collapse of the Soviet Union is undoubtedly a godsend for the United States and the West! Why? Because of the collapse of the Soviet Union, Vietnam was isolated and helpless, losing its biggest backer, and the West did not want to fight Vietnam, but also destroyed it! But after the collapse of the Soviet Union, the United States did not attack Vietnam. In fact, the reasons are mainly three points.
First, Vietnam's cleverness.
By the time the Soviet Union was about to collapse, Vietnam had sensed something was wrong and had a premonition of its own danger. So the Soviet Union has not yet disintegrated, and in 1989, Vietnam abandoned the Soviet Union, ended its confrontation with our country, and improved relations with our country.
At the same time, the withdrawal of troops from Laos and Cambodia and the attitude of voluntary submission led to the immediate improvement of relations with Vietnam. So although Vietnam lost the protection of the Soviet Union, it undoubtedly gained the support of our country, which made it have a talisman again, which is the main reason why the United States did not dare to move. Without our country, Then Vietnam would have disappeared long ago, and we can see the wisdom of Vietnam.
Second, Vietnam is strong.
In the Vietnam War, the United States invested millions of troops, hundreds of billions of dollars of huge wealth, fought for 20 years, and finally failed, for the United States, that has always been a shadow. Especially the American soldiers, in many film and television works, can see the fear of the American soldiers. In the Vietnam War, the US military cannot be said to be strong, and it cannot be said that the equipment is not advanced. But in the end it failed, so it is also very important for the United States to learn the life of the Vietnamese, and in the mountain combat, the strength of the Vietnamese makes the United States dare not easily attack.
Third, there is no time for him to take care of it.
At the time of the collapse of the Soviet Union, too much political legacy was left, especially in Eastern Europe, in the Balkans, in the Middle East, etc. That is what the West is most eager to receive, especially the United States is eager to control the oil resources of the Middle East, so it will crack down Iraq and other countries that take advantage of the opportunity.
Compared with Vietnam, there is no doubt that the oil and water in other parts of the Middle East and other regions are greater and more important to the United States. So the United States is desperate to receive inheritance in the Middle East and Europe, to fight resistance, and there is no time for him to take care of it! This is also an important reason why the United States did not attack Vietnam. After the collapse of the Soviet Union, Vietnam remained and has remained a Southeast Asian power until now.
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Reference: History of Vietnam.