What dose a democracy do that is different from an Oligarchy?

An oligarchy is when a small group of people have complete control over a country or organization. A democracy is when every citizen in the nation or group has power and a say in the government, which takes place through voting. In a pure democracy (such as ancient Greece), the citizens vote on every single decision.

Explanation:

b - those executed came from every social and economic class

i'll write a docs for you. hold on for a moment