Why did the north prevail the civil war? what might have turned the tide of the war against the north?

What do you think was a drawback to this method of calculating distance

•the impact of enlightenment ideals on the development of economic, political, and religious structures in the western world

How did kennan’s long telegram shape the united states interaction with communism throughout the world? a. the united states sought to restrict the expansion of communism and soviet influence. b. the united states conquered communism by economically oppressing third-world nations. c. the united states created the european union to maintain control of its post-wwii influence. d. the united states sought to extend its influence by militarily forcing democracy on the world.