Amendment 15

Section 1. The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude.


Section 2. The Congress shall have power to enforce this article by appropriate legislation

This amendment gauranteed everyone the right to vote regardless of race. It still did not allow women the right to vote, though.
 

 
This video shows how the 13, 14, and 15 amendments work together to work towards freed slaves to have equal rights in america. The 13th freed the slaves, the 14th made them citizens, and the 15th finally gave them the right to vote. This is three amendments that probably could or should have been accomplished in one.
 

 
This picture shows how the 15th amendment, while giving everyone the right to vote regardless of race, still did not give women the right to vote.