The fifteenth Amendment covers
the right to vote regardless of color. It did not allow states from denying any
citizen the right to vote on the grounds of race, color, or previous condition
as a slave. The African American men granted the right to vote.
In the Federal Government thought, the Indian appropriations act would work as a peace plan avoiding a violent encounter between American white people and Indians once the Americans started to extend their lands to the western part of the country (The plains), this act let the Indian people to move to protected reserves through funds assigned by the government.
The answer is the Judicial Branch
