Across
- 3. A 2,170-mile east–west, large-wheeled wagon route and emigrant trail in the United States that connected the Missouri River to valleys in Oregon.
- 5. The invasion of tissues by
- 6. Occurs when an organism gets too few or too many nutrients.
- 7. Pushes boundaries to advance a cause or idea or break a record.
- 10. The 1,300-mile long route from Illinois to Utah that members of the Church of Jesus Christ of Latter-day Saints traveled for 3 months.
- 12. A historical trade route that connected the northern New Mexico settlements of Santa Fe, New Mexico with those of Los Angeles, California and southern California.
- 13. An armed conflict between the United States and Mexico from 1846 to 1848.
- 14. An emigrant trail of about 1,600 miles across the western half of the North American continent from Missouri River towns to what is now the state of California.
- 16. Railroad that crosses a continental land mass.
- 17. Encompasses the folklores that have evolved in the present-day United States since Europeans arrived in the 16th century.
- 18. A state in the Midwestern region of the United States.
- 20. A lack of total body water.
- 21. A 19th-century route through central North America that connected Franklin, Missouri, with Santa Fe, New Mexico.
- 22. A statute enacted by the United States Congress in late 1850.
Down
- 1. A major land route for immigration into California from the eastern United States that followed the Santa Fe Trail to New Mexico during the California Gold Rush.
- 2. A Kingdom of the Spanish Empire and New Spain.
- 4. A significant push toward the west coast of North America
- 8. A gold rush that began on January 24,
- 9. A continent in the Northern Hemisphere and almost entirely within the Western Hemisphere.
- 11. The advancing border that marked those lands that had been settled by Europeans.
- 15. A country primarily located in North America.
- 19. a broad expanse of flatland in North America.