Which of the following was an immediate result of passage of the fifteenth amendment?

african american women finally gained the right to vote.

african americans were elected to all levels of government.

grandfather clauses african americans in the voting booth.

poll taxes were outlawed because they were discriminatory.

African American women finally gained the right to vote and this was one of the immediate result of the passage of the Fifteenth Amendment. The correct option among all the options that are given in the question is the first option. The Fifteenth Amendment prohibited the government from denying the right of voting to any citizen based on color, sex or previous condition of servitude.