What does variation in tone color produce

All i need is an outline i need with getting started with a research paper. i need with an outline for history of slavery. i don’t know how i should start it end. i need with an outline.

What issue lead from texas seceding from the union

Which term describes the soviet policy the expanded freedom of the press and allowed criticism of the communist party during the cold wara: containment b: perestroikac: detente d: glasnost