How did hitler justify his attack of poland?

The formation of business monopolies in the late 1800s was made possible by the (1) effects of laissez-faire policies (2) passage of federal antitrust laws (3) elimination of the free-enterprise system (4) adoption of socialist economic practices

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

After world war one, how did the allied countries hope to keep germany from becoming too powerful again?