Depends on the era. If you're talking about WW2, China affected Japans Political development through national competition and past differences. If you're talking about Modern, it would be the same answer. However, if you meant Ancient, then the correct answer would be the war economy system that propagandized the situation to gain base war support.
3) Popular Sovereignty
4) Harriet Beecher Stowe (I don't know if this is the author you are looking for)
5) Uncle Tom's Cabin; or, Life Among the Lowly ( I don't know if this is the book you're looking for)
6) Free-Soil Party (Free Land)
7) Henry Clay
I hope I helped ^.^
True. A contention is a heated argument.
