Renaissance
The age of enlightenment began in the 1650's, so it would need to be a continuation of an era that ended around the 1650's. Since the Renaissance lasted from 1350 - 1650, that makes it the most likely answer.
The choice below which best describes the Triangular Trade is b) European nations imported manufactured goods from Africa and exported slaves to the American colonies. The American colonies exported raw materials to Africa. A triangular trade can be defined as a historical event which took place between three ports or regions.
The main idea in Madison's federalist paper #51 is that checks and balances can and should be put in place in a federal government in order to keep any single branch from becoming too powerful.
they were treated different because, to people who found the US were from Europe not Asia