It is the second one and the forth one
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Yes it was.
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Answer:
The Compromise of 1850 included the Fugitive Slave Act, which became largely disputed within the northern free states. The Fugitive Slave Act stipulated that citizens of free states were required to return slaves found in the North. After the Act was passed many African Americans in the North fled to Canada.
Explanation:
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The answer is the Declaration of Independence