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Mountain men
Trails open through Rocky Mountains to Oregon Country -
Mormon Church founded in New York
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Texans defend Alamo
Texan War for Independence [from Mexico] -
Oregon Trail
Thousands begin to travel west -
Texas Annexation
Lone Star Republic is annexed by U.S. -
Oregon Country
land split with England -
Treaty of Gudalupe-Hidalgo
Mexican Cession
United States gains southwest & California -
Gold Rush
49ers head to California -
Gadsden Purchase
A transcontinental railroad through the southwest is now possible
