First of all, if you don't feel comfortable telling them, then tell them that it's a personal question.
This law violated the two amendments 13th and 14th. In the 13th <em>"badge of servitude"</em>, and in the 14th <em>"Constitution is color-blind, and neither knows nor tolerates classes among citizens."</em>
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Answer:
They believed that the Constitution was a "strict" document that clearly limited the powers of the federal government.