Patricians Answer:
Explanation: I just took the test
Central Europe is predominately mountainous, while northeastern Europe is mostly flat.
Central Europe is mostly flat, while northeastern Europe is predominately mountainous.
Central Europe is a land of large rivers and lakes, while northeastern Europe is dry and arid.
Central Europe has few rivers and lakes, while northeastern Europe has more lakes than forests
I'll first explain what the non-aggression pact was. It was an agreement that the Soviet Union and Germany would take no military action against each other. To answer your question it is B. The pact was to make sure he could safely attack Poland.