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
Under the Articles of Confederation, Congress lacked the authority to regulate commerce, making it unable to protect or standardize trade between foreign nations and the various states.
<span>El Salvador's government disregarded human rights </span>