What happened in Tiananmen Square was, there was a Massacre where there was a protest in the people's republic of China.
Basically, after the death of the Chairman of the Communist Party of China, Mao Zedong, thousands of students began massing day after day. They wanted more political freedom and democracy. However, since the government declined, they began the protest.
Following the protests of the students, the government took action by sending in armies and tanks to kill the students that were participating in the protest.
Capitalists created the economic force that drove the revolution while the inventors created new technology that made it it easier to create products and make more money which in turn helped the capitalists.
The conclusion is that although a US president can technically send troops into a foreign country, in order to lawfully declare war, he or she must get the approval of Congress.
Marshall plan: provided economic aid to Europe. It was implemented by the US and assisted Western Europe countries which had adopted a market economy system after WWII.
United Nations: approved the partition of Palestine in 1947. Such resolution advised that two independent Jewish and Arab states should be created.
Warsaw doctrine: strengthened soviet control over Eastern Europe. It was a treaty signed among the Soviet Union and seven of its satellite states in order to colaborate in common defense issues.
Truman doctrine: outlined the ways to contain communism. It contained the guidelines of US foreign policy that aimed to limit the geopolitical expansion of the Soviet Union and its allied states.
