In a totalitarian country, all the constitutional guarantees on which representative democracies are built—an individual's right to freedom of expression and organization, a free media, and regular elections—are denied to the citizens.

True

Explanation:

A totalitarian country means a country where the government has the absolute control or total control over every aspect of the life of the citizens. In the modern world, a totalitarian society can be seen in countries with dictatorship where right to freedom of expression, free media, and regular elections are based on the will of the dictator rather than a right given to the citizens. In simple words, a totalitarian system of governance is just the opposite of a democratic system.

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; longitudinal;