Financial crisis that started an economic depression?

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

Where did people have to work with great organization to be successful at farming? a. on the yellow river basin c. on the hangzhou bay b. on the yangzi river basin d. on the hubei basin

What was the effect of the industrial revolution on the working class?