Which order lists government types from the least power for the people to the most?
oligarchy, autocracy, republic
autocracy, oligarchy, democracy
democracy, unitary, parliamentary
federation, republic, unitary

the right answer is autocracy, oligarchy, democracy. Here are some explanations about each one of them :

The word autocracy comes from the Greek, and means government by itself.  It is a political regime in which laws and decisions are based on the ruler's convictions. In autocracy, the power of the leader is absolute and unlimited, and the government ends up having its policies confused with the personal actions of the autocrat, as a personalization of power

Oligarchy is a term that originates in the Greek word "oligarkhía" whose literal meaning is "government of few" and that designates a political system in which the power is concentrated in a small group belonging to the same family, the same political party or group economic.

Last but not least, the word democracy comes from the Greek demokratía which is composed of demos (meaning people) and kratos (meaning power). In this political system, power is exercised by the people through universal suffrage.

the answer would be c