Explain how the 13 , 14 , and 15 amendments
affected african Americans socially?
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The 13th Amendment abolished slavery in 1865. To protect the rights of newly freed people, Congress enacted two additional Constitutional amendments. The 14th Amendment (1868) guaranteed African Americans citizenship rights and promised that the federal government would enforce “equal protection of the laws.” The 15th Amendment (1870) stated that no one could be denied the right to vote based on “race, color or previous condition of servitude.” These amendments shifted responsibility for protecting rights to the federal government if states failed to do so.

Explanation:

first second and third

explanation:

declare war, appoint military officers, sign treaties, make alliances