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Stephan Austin arrived in Texas in 1821, and persuaded the Mexican government to let him start his colony. It took him almost a year before the Mexican government agreed. "Stephen F. Austin." The Warefare Historian. Blogger, 2 Feb. 2013. Web. 5 Mar.
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Missouri trader William Becknell went to sell hardware, cloth, and china at New Mexico. By doing so, he opened the Santa Fe Trail. "Old Santa Fe Trail." Maps and Art. N.p., 1 Feb. 2000. Web. 5 Mar. 2014.
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The first whites to come to Oregon were missionaries. People like the Whitemans. "The Ox Team or the Old Oregon Trail 1852-1906 by Ezra Meeker." Wikipedia. N.p.,
n.d. Web. 5 Mar. 2014. -
After the Battle of San Jacinto, Santa Anna signed a treaty giving Texas its freedom. Texas was independent. "Antonio López de Santa Anna." Latin America Studies. N.p., n.d. Web. 5 Mar.
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Texas was annexed as a slave state. But Mexico thought of this as an act of war. "Texas Annexation, 1845." Annenberg Learner. N.p., n.d. Web. 5 Mar. 2014.
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The United States and Great Britain divided Oregon at the 49th parallel. This is still the boundary today. "Strange Maps: Border between Canada and USA." Proud Geek. Word Press, 6 July
2007. Web. 5 Mar. 2014. -
Americans led by John C. Fremont rebelled against Mexican rule. They arrested the Mexican Commander and raised a flag. "California Bear Flag Revolt." States' Liberty Party. N.p., n.d. Web. 5 Mar.
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A was with Mexico about boundaries and Texas. The United States won. "The Mexican War." Iowa National Guard. N.p., n.d. Web. 5 Mar. 2014.
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Brigham Young moved his people to Utah. He hoped in this desolate place his people would be left alone. "Brigham Young." Brigham Young Family Association. N.p., July 2011. Web. 5 Mar.
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The Treatu of Guadalupe Hidalgo ended the war. Mexico gave up a large amount of land known as the Mexican Cession.
"The Treaty of Guadalupe Hidalgo." Hispanic Reading Room. N.p., n.d. Web. 5 Mar.
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This ended the war. Mexico recognized that Texas was part of the United States and Rio Grande was the border. "The Treaty of Guadalupe Hidalgo." Hispanic Reading Room. N.p., n.d. Web. 5 Mar.
2014. -
A carpenter named James Marshall discovered gold. People can to the American River to find gold. "Sailing to California at the beginning of the Gold Rush." Wikipedia. N.p., n.d.
Web. 5 Mar. 2014. -
The last addition to the United States was the Gadsden Purchase.. Mexico sold it to us for $10 million. "The Gadsden Purchase." Wikipedia. N.p., n.d. Web. 5 Mar. 2014.