Which of the following countries formally entered World War II on December 8, 1941, following the attack on Pearl Harbor?

During the Second World War, the Japanese military formed a special force called 'Kamikaze' to destroy American ships through suicide air attacks. What is the literal meaning of 'Kamikaze' in Japanese?

On which date during World War II did the United States drop an atomic bomb on the Japanese city of Hiroshima for the first time?