Believe it’s A but if I’m wrong I am so sorry
Answer:
The Cold war began for a number of different reasons. One of the main reasons this war began was that there were huge differences in the way that the Soviet and the US led one another and the disagreements eventually reached a final rising point, causing several feuds as well, riots. The US was a democratic state where many parties could stand and elections were held.
Explanation:
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The Kansas-Nebraska Act was passed by the U.S. Congress on May 30, 1854. It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders. The Act served to repeal the Missouri Compromise of 1820 which prohibited slavery north of latitude 36°30´.