Worth five points !! it doesnt tell me if what answer is right but if i get 75 % or up i will mark the first person who answered with an actual answer brainliest and i don't lie about brainliest !!

What was the importance of the 15th Amendment to the civil rights movement?
It guaranteed voting rights to all Americans.
It protected all Americans from discrimination.
It promised to uphold civil rights for all Americans.
It granted citizenship to African Americans.