When and why were the 13th 14th 15th amendments added to the constitution

Question

The amendments were added after the revolutionary war in order to the protect the rights of all Americans.
The amendments were added after the revolutionary war in order to protect The rights of property owners
The amendments were added after the civil war in order to protect the rights of black Americans
The amendments were added after the civil war in order to protect the rights of female Americans

Answer 1

The amendments were added after the Civil War in order to protect the rights of black Americans.