How did the visions of Hildegard of Bingen affect her life? They allowed her to open a business.
They caused her to leave the church.
They led her to be known as a mystic.
They persuaded her to be an adviser to a sultan.

1. senate

2.there is no diagram

3.education

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."

answer; the president uses mass media to gain support for policies;

answer; environmental science;