Across
- 5. Texas gave up status as an independent nation to be added on to the United States in 1845, starting a war between the U.S. and Mexico
- 7. 1823 American foreign policy warning European powers to stay out of the Americas; allowed the United States to focus on internal improvements such as westward expansion
- 8. Portion of land ceded (given) to the US after the Mexican American War of (1846-48) by the Treaty of Guadalupe-Hidalgo.
- 10. Acquired additional land from Mexico for $10 Million to help the construction of a southern transcontinental railroad
- 11. The U.S., under Jefferson, bought this territory from France for $15 million dollars. The U.S. gained control of Mississippi trade route and doubled its size.
- 12. Trail used in the 1840s for Mormons to move to Salt Lake City, Utah to escape religious persecution
- 13. Negotiated to extend the US-Canadian border along the 49th parallel, gave the US Oregon Country. Helped to maintain the balance between slave and free territory when Texas was added.
- 14. Mass migration to California following the discovery of gold in 1848
- 16. 1840s President who believed in Manifest Destiny for the US, his leadership helped the US gain most of the southwest from 1845-1848
- 18. Settled the US-British border dispute above the Louisiana Territory, established the border at the 49th parallel, the US gained the Red River Basin
- 19. Treaty that ended the Mexican War, granting the U.S. control of Texas and the Mexican Cession for $15 million
- 20. law passed in 1830 that forced many Native American nations to move west of the Mississippi River
- 21. Treaty establishing Maine's northern border so a British military road could be built
Down
- 1. The belief that the U.S. should extend all the way to the pacific ocean
- 2. An engine powered by steam (hot water), powered the steamboat and locomotive to make travel westward faster.
- 3. a machine that removed seeds from cotton fiber, made cotton more profitable and led to an increase in slavery in the US
- 4. war between Mexico and the United States from 1846 to 1848; resulted in Mexico giving the US the "Mexican Cession" (modern-day California, Nevada, Utah, Arizona, Colorado)
- 6. A series of improvements in technology that transformed society to be more machine based, encouraged westward expansion by making it easier to travel and communicate
- 9. Trails used in the early 1800ss for trade with Native Americans and Spanish settlers
- 15. Trail from independence Missouri to Oregon used by many pioneers during the 1840s, used for families to gain a fresh start and adventure
- 17. Treaty between the U.S. and Spain that ceded Florida to the U.S, the US gave Spain $5 million for it.
