Think Tac Toe Crossword

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Across
  1. 2. show state and national boundaries and capital and major cities
  2. 4. belief that expansion of US was justified and inevitable
  3. 5. wooden beam or board
  4. 8. soft brownish coal
  5. 9. president that started the indian removal act
  6. 11. practice of farming
  7. 12. law forcing indians to move
  8. 15. end of the War of 1812 to the start of the American Civil War in 1861
Down
  1. 1. its exact place on Earth, often given in terms of latitude and longitude
  2. 3. the inability to read or write
  3. 6. storm with violent wind
  4. 7. way of life of a particular area
  5. 10. study of the physical features of the earth and its atmosphere
  6. 13. someone with no permanent home
  7. 14. fourth letter of Greek alphabet