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The Columbian Exchange was a exchange of animals, culture, food and technology, between the old and new world. Letter d).
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I would say a civil war or uprising.
It certainly did. The Red Scare was basically a witch hunt in which people who held different political opinions were prosecuted. Anyone who supported communism, socialism, anarchism, or any similar ideology was prosecuted for being un-american and and often these people would end up in prison or face societal ostracizing.
Answer:
A. The central government is stronger in a unitary government.
Explanation:
In a unitary government, the state has less power to do anything, and they have to do whatever the central government tells them to do. In a federal government, they have a lot of power to do anything they would like.