World War I & II Crossword Puzzle

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Across
  1. 2. An important Japanese military center that was destroyed by an Allied atomic bomb.
  2. 7. The U.S. program to develop an atomic bomb for use in World War II.
  3. 8. The deliberate and systematic extermination of a particular racial, national, or religious group.
  4. 11. A kind of biased communication designed to influence people's thoughts and actions.
  5. 13. A law that required men to register for military service.
  6. 14. The genocide of Jews and other groups in Europe by the Nazis before and during World War II.
  7. 16. The granting of concessions to a hostile power in order to keep the peace.
  8. 17. The principles making up President Wilson's plan for world war peace following World War I.
  9. 18. The day on which the Allies launched an invasion of the European mainland during World War II.
  10. 19. The policy of building up armed forces in aggressive preparedness for war.
  11. 20. A devotion to the interests and culture of one's nations.
Down
  1. 1. A military operations of attacking and counterattacking from a system of fortified ditches.
  2. 3. A British passenger ship that was sunk by a German U-boat in 1915.
  3. 4. An agreement in which two nations promise not to go to war with each other.
  4. 5. Versailles The 1919 peace treaty at the end of World War I which established new nations, borders, and war reparations from the Central Powers.
  5. 6. A German military strategy of attacking with combined air and ground forces.
  6. 9. The policy of extending a nation's authority over other countries by economic, political, or military means.
  7. 10. A truce to end an armed conflict.
  8. 12. A political philosophy that advocates a strong, centralized, nationalistic government headed by a powerful dictator.
  9. 15. Laws passed to prevent U.S. arms sales and loans to nations at war.