Nabila was at a busy grocery store when she and many others saw a gentleman on the ground. she stopped to stare and thought to herself that surely someone had already called for for this man. she decided that because so many people were present to see the gentleman, was already on the way. nabila's decision not to call for can be best explained

Diffusion of responsibility

Explanation:

Diffusion of responsibility is the phenomena in which people tend not to make a decision or any action in front of large group of people .They don't react on particular situation as they think some other person will take the correct step instead.

According to situation mentioned, Nabila's decision was based on was made on diffusion of responsibility .She did not took any step for man on ground as she thought crowd members must have called for help already .She was facing pressure in acting by herself for helping the man.

this headline suggests that midterm congressional   elections are at the corner and trump administration wants to activate his base by vowing to clamp down on immigrants and immigration as trump had said during his election campaign around two years ago. when a baby is born in usa, the baby becomes citizen of usa for 85 years and trump wants to end this rule of birthright citizenship to control illegal immigration and this what he said in an interview""we’re the only country in the world where a person comes in and has a baby, and the baby is essentially a citizen of the united states for 85 years, with all of those benefits,” "

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."