(A) capitalism works better than any system because it allowed for inequality in wages, it makes people work harder to afford more.
Churches
Churches such as the African Methodist Episcopal Church became the training ground for generations of African American leaders. Churches provided vital preparation for generations of African activists and leaders including Martin Luther and Jesse Jackson as they were able to minister and champion the rights of African Americans
Truman Doctrine
In 1947, Truman pledged that the US would aid any nation in resisting the growing threat of communism to help prevent its spread.
It caused the rip tides like rise of Hitler or the reason Italy and Japan fell to facism and the US went ahead did their own treaties with the defeated.