Real estate agents promoting a new recreational development offer a free breakfast and the opportunity to win a trip to hawaii for attending a short sales promotion meeting. it would appear they are using the persuasion technique.1) low-ball2) rule of reciprocity 3) high-ball4) rule of commitment

stewards ice box was the purchase of alaska from russia and it was called that because people thought it was not a good idea to purchase alaska

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."