Question

In order to extend the civil rights of slaves after the Civil War, the United States

banned slavery with the Fourteenth Amendment and created new protections with the Thirteenth Amendment.
banned slavery with the Fifteenth Amendment and created new protections with the Thirteenth Amendment.
banned slavery with the Thirteenth Amendment and created new protections with the Fourteenth Amendment.
banned slavery with the Fourteenth Amendment and created new protections with the Fifteenth Amendment.

Answer 1

banned slavery with the Thirteenth Amendment and created new protections with the Fourteenth Amendment.

The 13th Amendment (1865) abolished slavery; the 14th Amendment (1868) granted citizenship and equal protection under the law (and due process) to formerly enslaved people.