Answer:
Communism affected all three regions: South, Central, and Southwest Asia. First, Russia had a Revolution, called the Russian Revolution. It turned the monarchy of Russia into a Communist republic. Then, the Cold War started because US did not like Communism, and therefore did not want it to spread.
Then, there was the Chinese Civil War between the people who wanted democracy (who fled to Taiwan to create their own government) and the Communists (the people who were reinforced by the Russians.) In fact, the United States did not interfere with this war, which created major problems.
If the United States was helping the anti-Communists, China would not have become Communist. But, in the end of the war, the results were clear - the Soviets and the North Chinese had won the war.
Then, there was the Vietnamese War. China and Russia were helping North Vietnam, which wanted to become a communist, and the US finally helped South Vietnam. But it was too late. Eventually, the Chinese taught the North Vietnamese how to use guerilla tactics. In the end, the US was out-smarted.
The United States withdrew their troops from Vietnam, which made matters worse. South Vietnam quickly got invaded a few months later, and there were too little US troops to help the combat effort.
Then, there was the Korean War, which was a stalemate and which required a treaty. North Korea wanted communism for the whole country, but South Korea was very powerful, and the US also helped. North Korea was almost finished invading when US and NATO troops arrived. They took back the whole entire Korea and split it.
That is your introduction. I hope it helped!
