All of these were reason the Fugitive Slave act failed except

A. many slaves moved to Canada.
B. Northerners refused to obey the law.
C. the Underground Railroad continued to help slaves escape.
D. plantation owners did not want returned slaves.

answer is b

Explanation:

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answer; ///i do believe that the correct answer for the above is ( which states would be free and which states would have check first good

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