Simon Bolìvar was the president of Bolivia.
The My Lai massacre changed public perception of Vietnam drastically. Many people already thought it was an unjust war, and this added to that anti-war sentiment. When many veterans came home they were treated like trash, because everyone back home saw the terrible war crimes committed by the U.S. Many people called for an end to Vietnam after it.
The Cold War developed in the Soviet Union, Europe, and the United States due, in large part, to the competition over the arms race and over scientific advancement during the 1970s and 1980s. The Soviet Union pursued communist ideas while the United States and Western Europe followed democratic principles. The Cold War developed as each built up it's military to protect and advance it's own ideology.
Because they was selfish and didn’t want them to have any