1. gulf of tonkin incident
2. truman doctrine
3.containment of communism
probably a little off but it'll lead you in the right direction.
(I was literally learning this a couple months ago and my memory is a little rusty)
The people and there desperation for Germany to be financially well and not in ruins like it is. People in Germany didn't feel proud to be German anymore. Then a guy walks in saying he can fix all there problems and they just need to trust him and they did.
They needed to find more land for more opportunities for factories and trading. To spread their civilization to other people
Nope Apollo did not teach people how to play instruments