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
<span>the system of sharecropping kept them in a cycle of poverty</span>
B, he was known for his serious attitude and deep thinking
What subject are you learning
