Answer:
C
Step-by-step explanation:
The United States and the British were allies during the war and there is no history of an invasion made by the U.S against the British.
B is not an answer because Germany invades Poland because of racial reasons in an event known as the holocaust where 6 million Jewish people died.
D Occured in a state known as the Winter War, where Russian wanted the territory to support the war effort on the communist side for troops to rest which ended in the Moscow Peace Treaty.
A Occured as the Second Sino-Japanese War which sparked before WW2. Japan did this for the materials within China mainly to build planes for the Imperial Army