The Civil War was from 1861-1865 which is 4 years.
Answer:
westward movement
Explanation:
imperialist expasion is the take of land from other countries like africa
Answer:
Popular sovereignty makes states more stable, but they also reduce the risk of civil war in neighboring countries. Advantages of popular sovereignty include a better economy and better education. One of the disadvantages of popular sovereignty is that the majority is not always right.
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