Hattan Z WW1 and WW2

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Across
  1. 3. people use to kill other people.
  2. 4. system When countries create alliances with other countries, like saying if we get attacked you have to help us and the same for the other.
  3. 5. Only caring about yourself and no one else.
Down
  1. 1. Believing that your country is the best.
  2. 2. Factories creating products, making weapons.