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Mexico tried to attract settlers to farm the land
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Friction developed between the Americans and the Mexicans when Mexico outlawed slavery and required all immigrants to convert to Roman Catholicism
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Made himself dictator of Mexico and abolished the federal system.
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American settlers led by Sam Houston revolted and declared Texas to be an independent republic.
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John Tyler was elected president. He was a southern Whig, who was worried about the growing influence of the British in Texas.
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split disputed territory between Maine and British Canada, and it settled the boundary of the Minnesota territory.
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The U.s. Senate rejected John Tyler's treaty of annexation.
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Henry Clay and Martin Van Buren, feared that the annexation of Texas would split their parties.
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A mexican armycaptured an American army patrol, killing 11.
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The treaty of annexation was submitted to the Senate for ratification.Some Northerners viewed the treaty as a sellout to southern interests because it removed British Colimbia as a source of potential free states.
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David Wilmot proposed that an appropriations bill be amended to forbid slavery in any of the new territories acquired from Mexico.
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Scott's army of 14,000 succeeded in taking the coastal city of Vera Cruz and then captured Mexico City.
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- Mexico woould recognize the Rio Grande as the southern border of Texas.
- The U.S. would take possession of the former Mexican provinces of California and New Mexico-thr Mexican Cession
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The discovery of gold in Caliifornia in 1848 set off the firt of many migrations to the mineral-rich mountains of the West.
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Provided that neither nation would attempt to take exclusive control of any future canal route in Central America.
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The U.S. government granted 2.6 million acres of federal land to build the Illinois Central Railroad from Lake Michigan to the Gulf of Mexico, the first such federal land grant.
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Franklin Pierce was elected to the presidency.
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Wialliam Walker tried to take Baja California from Mexico, but he didn't succeed.
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Mexico agreed to sell thousands of acres of semidesert land to the U.S. for $10 million.
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Commodore Matthew C. Perry convinced Japan's government to agree to a treaty that opened two Japanese ports to U.S. trading vessels.
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William Walker and a group of southerners finally took over Nicaragua in 1855.
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There was a serious drop in prices, especially for midwestern farmers, and increased unemployment in northern cities. The South was less affected, for cotton prices remained high.
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Hundreds of thousands had reached their westward goal by following the Oregon, California, Santa Fe, and Mormon Trails.
