Suppose you hate going out to clubs, but you pretend to like it in order to fit in and be accepted by your friends, who all love clubbing. This is an example of

i do believe that the correct answer is   (technical reasoning); luck

explanation:

they encountered severe weather for which they were poorly prepared.

barack obama

i love this guy

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."