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Treaty signed by france in 1803 U.S purchased land extending from the mississippi river to the rocky mountains.
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a route used during the U.S. westward migrations, especially in the period from 1840 to 1860, starting in Missouri and ending in Oregon.
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primarily a commercial highway connecting Missouri and Santa Fe, New Mexico. From 1821 until 1846, it was used by Mexican and American traders.
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Texas’ war for independence from Mexico, a group of Texan volunteer soldiers occupied the Alamo, a former Franciscan mission located near the present-day city of San Antonio.
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Texan War for Independence, the Texas militia under Sam Houston launches a surprise attack against the forces of Mexican General Santa Anna along the San Jacinto River. hundreds were taken prisoner, including General Santa Anna himself.
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James K. Polk oversaw the greatest territorial expansion of the United States to datePolk accomplished this through the annexation of Texas in 1845
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The Mexican-American War was the first major conflict driven by the idea of "Manifest Destiny"; the belief that America had a God-given right, or destiny, to expand the country's borders
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After the assassination of Joseph Smith in 1844, Young was chosen leader of the Mormons and continued as president until his death. He directed the migration of 16,000 Mormons from Illinois to Utah
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brought an official end to the Mexican-American War .the Mexican government surrendered to the United States.
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Polk declared war on Mexico and sent troops to New Mexico and California.war had ended and most of the state had been ceded to the United States by the Treaty of Guadalupe Hidalgo.
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Result, in 1851 the federal government brought many of the Plains tribes together at Fort Laramie.signed between Sioux and US government established land rights.
