I think you forgot to give the options along with this question. I am answering the question based on my knowledge and research. The historical event that would be most useful to include would be President Johnson's escalation of the Vietnam War after the Tonkin Gulf incident. I hope the answer helps you. <span />
The main impact was the wars impact
There main role used to be as nurses or cooks or easy jobs
Mao's Red Guards started harassing Chinese intellectuals who supported capitalism
Mao's Red Guards ensured that all schools in China taught from Mao's Little Red Book.
The statement said by Soviet leader Leonid Brezhnev put forth the Brezhnev Doctrine, which stated that any threat to rule in Central and Europe would require intervention by fellow states is wrong.
The Brezhnev Doctrine
Soviet leader Leonid Brezhnev proposed a foreign policy known as the Brezhnev Doctrine in 1968. It urged the Soviet Union to use military force to defend socialism in socialist or Eastern Bloc nations in Europe.
The invasion of Czechoslovakia by the Soviet Union in 1968 was followed by the Brezhnev Doctrine. It was abandoned, nevertheless, under Gorbachev's leadership. As a result, the Brezhnev Doctrine did not stipulate that any threat to Europe would need a Warsaw-Pact nation's military action.
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