I believe that the answer you are looking for is Mixed.
I believe, I'm not 100% sure.
The Mexican American War heightened tensions over slavery in that there were many disagreements over whether the new territories won from Mexico should be free or slave territories. The Wilmot Proviso, created to solve the problem, ended up slitting parties on regional areas.
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Answer:best answer to me is A
Explanation:
Answer:
your answer is They were outraged that former Confederates were able to join Congress.
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