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  mormons played a key roles in the settling the west
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  the United States purchased 828,000 square miles of land west of the Mississippi River for $15 million.
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  laid by fur trappers and traders from about 1811 to 1840 and was only passable on foot or by horseback.
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  Mexican traders also provided caravans going to western Missouri in this international trade
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  he Battle of the Alamo was a pivotal event in the Texas Revolution. there is a movie about alamo
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  texan victory at the san jacinto led by sam houston texas independence
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  the 1845 incorporation of the Republic of Texas into the United States of America, which was admitted to the Union as the 28th state.
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  marked the first U.S. armed conflict chiefly fought on foreign soil
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  officially entitled the Treaty of Peace, Friendship, Limits and Settlement between the United States of America and the Mexican
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  The Gadsden Purchase, or Treaty, was an agreement between the United States and Mexico, finalized in 1854, in which the United States agreed to pay Mexico $10 million.
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  the were also called the sioux treaty of 1868