The 21st Century Puzzle

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Across
  1. 2. What word means the amount by which government spending is higher than income?
  2. 3. What violent threat became a top US national security priority after 2001?
  3. 8. What movement of people into the US reshaped national population trends after 2000?
  4. 11. How do companies cut production costs by sending work to foreign countries?
  5. 12. What period of major economic decline hit the US hard starting in 2008? RENEWABLE What type of energy source comes from naturally replenishing natural resources?
  6. 13. What military alliance continued as a core US defense group into the 2000s? URBANIZATION What process describes more people moving from rural towns to large cities?
Down
  1. 1. Why do governments invest in protecting computer systems from digital attacks?
  2. 3. How do employees finish their jobs remotely from home using online tools?
  3. 4. What worldwide interconnected economic system grew rapidly in the 21st century?
  4. 5. Why do scientists study genetic engineering and new medical organism technology?
  5. 6. CHANGE Why do world leaders create policies to slow rising planetary temperatures?
  6. 7. What term describes a population made up of many different cultural and ethnic groups?
  7. 9. How do mixed cultural traditions combine to form shared national customs?
  8. 10. What digital network revolutionized global communication starting in the late 1990s?