Answer:
A very important cause of the cause of the American Civil War was the election of Abraham Lincoln. Lincoln wanted to abolish slavery and the Southerners did not want to be ruled by an anti-slavery Northerner. ... The amount of deaths/casualties in the American Civil War is also a very important effect
Rome declined due to a series of invasions from outside nations and corrupt government officials.
Answer:
Federalism guarded against tyranny by first dividing between two distinct governments. The portion allotted to each subdivided among distinct and separate departments... Federalism gave powers to the central government. They gave powers to the states, and they shared powers together.
Explanation:
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it was the reduction of nuclear weapons
