Is this a multiple choice questions?
Hello there my name is Lee, and i will be helping you today. The answer to your question is.
Kepler
Your welcome,
HistoryLee
On August 23, 1939–shortly before World War II (1939-45) broke out in Europe–enemies Nazi Germany and the Soviet Union surprised the world by signing the German-Soviet Nonaggression Pact, in which the two countries agreed to take no military action against each other for the next 10 years.
I would say b. northern Africa. hope this helps