1940s

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Across
  1. 3. What was the Manhattan project's main focus?
  2. 4. Who was one person to design the ENIAC?
  3. 6. What disease was caused by germs being spread from person to person through air?
  4. 7. What were Germany, Italy, and France called in World War 2?
  5. 8. Who broke the sound barrier in 1947?
Down
  1. 1. What was a popular medicine used in the 1940s?
  2. 2. What was the name of the genocide Adolf Hitler committed?
  3. 5. What was the city in Japan that was hit by an atomic bomb?