phân tích cơ sở khác quan hình thành và phát triển tư tưởng Hồ Chí Minh, chỉ ta tiền đề lý luận giữ vai trò quyết định trong việc hình thành, phát triển tư tưởng Hồ chí Minh.

c. wright mills's sociological imagination suggest investigating to explain this increase?

i dont know this man

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."

citizens were able to charge more for their goods and services