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Granted the United States the sole authority to obtain the land
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Each elector must cast distinct votes for president and vice president, instead of two votes for president. -
The expedition's principal objective was to survey the Missouri and Columbia rivers, locating routes that would connect the continental interior to the Pacific Ocean.
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Was fought between the United States and Great Britain, primarily over the impressment of American sailors by the British Navy, as well as disagreements over trade, western expansion, and Native American policy -
The doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs. -
It was formed to make people aware of the conditions of enslaved people and to end slavery.
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Started because of a disputed boundary between the United States and Texas on the Nueces Strip.
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A rapid influx of fortune seekers in California that began after gold was found at Sutter's Mill
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Supporters lectured, wrote, marched, lobbied, and practiced civil disobedience to achieve what many Americans considered a radical change in the Constitution – guaranteeing women the right to vote.
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The reasons for the Civil War were disagreements over slavery, states vs. federal rights, the election of Abraham Lincoln, and the economy.
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Abolishment of slavery