Location (city) of witch trials in the 1690

~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.

haile selassie i was the emperor of ethiopia from 1930-1974

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; during stalin"s rule, many mothers told their children that he was the greatest thing to ever happen to russia;