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Prohibited debate or action on antislavery appeals. It was passed every year for eight years until it was overturned by the help of John Quincy Adams.
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Due to disputes over the Texas and Mexican border, James Polk sent armed American troops to Texas. The troops cross the Texas border to Mexico and violate the Mexican region. Congress declred war on Mexico.
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Antislavery party in the 1848 and 1852 elections that opposed the extension of slavery into the territories
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This treaty ended the war with Mexico. The treaty confirmed Texas stretching along to Oregon and the California coast as American territory.
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Acquired additional land from Mexico for $10 million to facilitate the construction of a southern railroad.
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Repealed two compromises, the 1820 compromise and the 1850.