I think the answer is B!!!!
Which statement about World War II is correct?
A.
German submarines, called U-boats, sank many Allied ships in the Atlantic Ocean.
B.
The Japanese developed long-range rockets, called V-2s, to launch against the United States.
C.
Stalin refused to accept aid from the United States because it was not a communist country.
D.
To defend its territories in Asia and South America, Italy had to fight a two-ocean war.