Which amendments helped African Americans after the civil war?

The Thirteenth, Fourteenth, and Fifteenth amendments were written to help African Americans. They are called the Civil War Amendments since they were added after the Civil War. The Thirteenth Amendment was added in 1865. It ended slavery and prevents the nation from allowing slavery again at any time. The Fourteenth Amendment of 1868 is an important amendment because it has helped protect civil rights for all Americans. It says that all people who are born or naturalized in the United States are citizens. The Fifteenth Amendment was added in 1870. It gave African Americans the right to vote. The government cannot prevent people from voting because of their race or color.