Guaranteed equal protection of the laws.
I think is c that what i think
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
It is Marquis de Lafayette, he fought along George Washington during the American Revolution
Hope this helps