before invading poland, hitler reached a secret agreement with the soviet union united states united kingdom…

before invading poland, hitler reached a secret agreement with the soviet union united states united kingdom european union

before invading poland, hitler reached a secret agreement with the soviet union united states united kingdom european union

Answer

Brief Explanations:

Before invading Poland in 1939, Hitler's Germany signed the Molotov - Ribbentrop Pact, a secret agreement with the Soviet Union. This pact included a protocol that divided Eastern Europe into German and Soviet spheres of influence.

Answer:

Soviet Union