There were several causes that lead to the Cold War. The most important ideological conflict was that the Soviets believed in Communism and rest of the worl including United States of America disliked Communism. Soviets were against capitalism and the Americans were in favor of capitalism. The Soviets were also afraid of the nuclear bombs that United States possessed during that time and it was a grave security concern for the Soviets.
Answer:
I think it's Animal domestication
Explanation:
International influence, also they had just defeated Spain when they begun having imperial ambitions, therefore they may want to fill that gap
the Dawes Act is the treatment of Native Americans as individuals rather than as members of tribes.