The answer is...(drum roll)...
A. Election reform
This answer is 100% correct, have a great day. Glad to help you. :)
John Brown's raid on Harper's Ferry was an effort to initiate a slave revolt by arming the slaves.
Answer:
B and D I think if am rong sorry
I'm not sure which specific speech you're referring to, but in general, Roosevelt's ability to make great speeches stemmed from his ability to unite the nation. so It would be the second option.
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The third alternative is correct (C).
In the context of the Cold War, the world was bipolarized by the leadership of the US, capitalist and communist USSR. It was a dispute of hegemony, so the fear on both sides was to lose the leading role and see the economic model crumble. This is what happened to the USSR. A social and economic collapse of the USSR led to the end of the Cold War and the triumph of the capitalist model. Both sides also feared a warlike confrontation, so that the USSR could be destroyed if the capitalist nations contended for war.