People of the Gilded Age

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Across
  1. 4. monopolized the steel industry and donated money to charities at the end of his life
  2. 6. monopolized the oil industry and was the richest person to ever live
  3. 10. monopolized the train/railroad industry
  4. 11. created one of the world's largest retail stores
  5. 12. invented the revolver in the West
Down
  1. 1. wrote "A Century of Dishonor"
  2. 2. inventor of the light bulb and contributed to longer business hours
  3. 3. U.S. General who lost miserably at the Battle of Little Bighorn
  4. 5. monopolized the banking industry
  5. 7. invented barbed wire in the West
  6. 8. Sioux warrior who fought in the Battle of Little Bighorn
  7. 9. Sioux chief who fought in the Battle of Little Bighorn