What are some of the factors that can cause a country’s Gross Domestic Product (GDP) per person to change?

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; they both highlight the power of the situation in determining behavior;

answer; the above statement is (false);

answer; can each be concretely realized in different ways;