Which statement about events in World War II is not accurate?
a. German cryptologists gave the Axis powers a huge advantage by breaking the Allies' most secret codes.
b. German V-1 and V-2 rockets killed many people and caused considerable damage in Great Britain.
c. New types of ships were designed to allow Allied forces to attack Japanese-held islands in the Pacific.
d. Allied air forces mounted mass bombing raids over Germany to destroy cities and factories