The two amendments that guaranteed the rights and freedoms of African Americans post-Civil War are:
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14th Amendment - This amendment granted citizenship to all persons born or naturalized in the United States, including former slaves, and provided for equal protection under the laws.
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15th Amendment - This amendment granted African American men the right to vote, prohibiting the federal and state governments from denying a citizen the right to vote based on "race, color, or previous condition of servitude."
So the correct responses are:
- 14th Amendment
- 15th Amendment