What was the oligarchy and the oligarch? Tell what each are

Oligarchy - a small group of people having control of a country, organization, or institution.

Oligarch - a ruler in an oligarchy

the american revolution was by the middle and upper class, and the french was by the lower and middle class.

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.