After the Civil War, why would electing African American representatives to Congress be important to achieving freedom for people recently freed from slavery?

As the Union armies advanced through the Confederacy, thousands of slaves were freed each day until nearly all (approximately 3.9 million, according to the 1860 Census) were freed by July 1865. While the Proclamation had freed most slaves as a war measure, it had not made slavery illegal.

Explanation:

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answer; i believe that the correct answer is,lies(political rhetoric);