1. I would say the Truman doctrine was a response to Chinese communism as President Truman wanted to give European countries economic assistance and resist communism.
2. The Korean War was a result of North Korea invading the south.
3.NASA was founded in response to Soviet technological gains, I believe.
I hope you find these answers useful, I myself have just started this topic
ship sank in Egypt and then they found each other back on the boat
It could be argued that as its intellectual voice, "Langston Hughes" became the leader of the Harlem Renaissance, although of course there were many other prominent leaders as well.
Read these passages. see if thry can help you out