Which of the following acts and laws outlined the road towards equality? Select all that apply. In 1964 Johnson passed the Civil Rights Act outlawing public discrimination. The Nineteenth Amendment gave women the right to vote. The Fifteenth Amendment gave all citizens the right to vote. In 1954 Separate but Equal was enforced. The Thirteenth Amendment abolished slavery.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."