C. It ended the reconstruction era
Answer & Explanation:
In his “house divided” speech, Lincoln countered that the Dred Scott decision the previous year had already opened the doors for slavery to be legal in the north, as well as all territories that the U.S. expanded into. If the U.S. wanted to be a free country, he argued, it had to act now before it was too late.
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The programs focused on what historians refer to as the "3 Rs": relief for the unemployed and poor, recovery of the economy back to normal levels, and reform of the financial system to prevent a repeat depression
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