Problem: The policy of banning weapons enforced in Okinawa in medieval Japan influenced the development of what combat technique from Ryukyu Islands?
Answer: karate

Problem: What is generally considered to be the largest naval battle of World War II and by some to be the largest naval battle in history, and the first battle in which Japanese aircraft carried out organized kamikaze attacks?
Answer: battle of leyte gulf

Problem: Singer Avril Levigne was born in which country?
Answer: canada

Problem: "Who played Dorothy in the 1939 movie ""The Wizard of Oz""?"
Answer:
judy garland