What was the primary goal for wilson's league of nations?

What role did the catholic church play in the development of the heliocentric theory promoted by copernicus and galileo?

According to douglass, what does the singing of a slave communicate? how does douglass feel about slave songs? in what way is slaves singing misinterpreted by some people? .

What happened in georgia as a result of the supreme court ruling in brown v. board of education?