United States- Physical and Human Geography.

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Across
  1. 4. network of highways which are important to the United States’ strategic defense policy.
  2. 8. the indigenous peoples of the United States.
  3. 9. the progressive concentration in the city of the population and its economic activities.
  4. 13. America's central bank.
  5. 14. institution of human chattel enslavement, primarily of Africans and African- Americans.
  6. 15. international movement of people to a destination of which they are not natives.
  7. 16. highways which provide access between an arterial and a major port.
  8. 19. area with an arid climate, where rainfall is scarce.
Down
  1. 1. land dominated by species of grass with a range of other plant types.
  2. 2. consistently warm temperatures all year.
  3. 3. war in the United States from 1861 to 1865 between north and south.
  4. 5. group of British colonies on the east coast of North America, founded in the 17th and 18th centuries.
  5. 6. where traders buy and sell assets.
  6. 7. rights that guarantee equal social opportunities and equal protection under the law.
  7. 10. application of water to crops.
  8. 11. total federal income and spending.
  9. 12. budget and financial resources dedicated to the growth and maintenance of the U.S. armed forces.
  10. 17. water, snow, sleet, or hail, falling from clouds.
  11. 18. important roadways to the nation’s economy, defense, and mobility.