I need help with this question im on

The map makes it clear that after world war ii, korea was a a) part of china b) divided country c)part of japan d)unified country

How did the war of 1812 contribute to an increase in u.s. manufacturing? a) the war provided more resources for factories to increase production. b) the war promoted trade between countries so that americans could focus on fighting. c) the war cut americans off from their previous supply of imported manufactured goods. d) the war limited transportation in america, making it necessary to import manufactured goods.

Define the word imperialism. what is your opinion: should the u.s. engage in imperialism? under what circumstances? offer a brief, effective argument against the opinion that you hold.