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The U.S. payed $11,250,000 plus cancellation of debts worth $3,750,000 a total cost of 15 million dollars for the Louisiana territory.
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It was between the United States of America and the British Empire in 1812 . It was fought chiefly on the Atlantic Ocean and on the land, coasts and waterways of North America.
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it was an armed conflict between the United States and Mexico in 1846 in the wake of the 1845 U.S. annexation of Texas. Mexico claimed ownership of Texas as a breakaway province and refused to recognize the secession and military victory by Texas in 1836.
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The Compromise of 1850 was a series of bills that wanted to resolve the territorial and slavery controversies arising from the Mexican-American War . There were 5 laws which balanced the interests of the slave states.
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A major war between the United States (the Union) and eleven Southern states which declared that they had a right to secession and formed the Confederate States of America.
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It was an armed military conflict between Spain and the United States, following the sinking of the Battleship Maine in Havana harbor on February 15, 1898.