Which statements about events in World War II are accurate?

Choose all answers that are correct.

Allied air forces mounted mass bombing raids over Germany to destroy cities and factories.

German V-1 and V-2 rockets killed many people and caused considerable damage to Great Britain.

German cryptologists gave the Axis powers a huge advantage by breaking the Allies' most secret codes.

New types of ships were designed to allow Allied forces to attack Japanese-held islands in the Pacific.