Activity 9 – KS2 World War 2 Post date 02/02/2024 Activity 9 – KS2 World War 2 What did Japan use to attack mainland U.S? a – helium balloons b – sponges c – water balloons If you are human, leave this field blank. Submit ← Activity 8 – KS2 World War 2 → Activity 10 – KS2 World War 2