Final answer:
The Thirteenth, Fourteenth, and Fifteenth Amendments address the issue of rights for former slaves by abolishing slavery, granting citizenship and equal protection, and protecting the right to vote.
Step-by-step explanation:
The Thirteenth, Fourteenth, and Fifteenth Amendments were ratified during the Reconstruction Era and address the issue of rights for former slaves. The Thirteenth Amendment abolished slavery in the United States, the Fourteenth Amendment granted citizenship and equal protection under the law to African Americans, and the Fifteenth Amendment protected the right to vote regardless of race, color, or previous condition of servitude.