Which of the following was not a result of the cuban missile crisis? (5 points) an easing of tensions in the cold war the opening of the "hot line" between moscow and washington a large increase in the number of refugees from cuba to the united states a treaty between the u. s. and the u. s.s. r. to end nuclear tests in the atmosphere

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."