After World War II, which of the following changes occurred in Germany?
Germany became two separate countries.
Germany became four separate countries.
Germany became part of the Soviet Union.
Germany became one of the Allies.

Germany was split into two. West and East Germany.

Explanation:

They did this because of the defeat of Nazi Germany in WWII

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

it allows shippers to carry commercial goods, which allows them to save time and money.