Which of the following is the economic ideal for countries in the western world

Laissez-faire capitalism

Explanation:

Laissez-faire capitalism

Response Feedback:  

Western culture emphasizes the autonomy of the individual—politically and economically. Laissez-faire capitalism is the economic ideal for Western civilization.

the first part is ocean

explanation:

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."