1800-1876

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    Industrial Revolution

    The American Industrial Revolution followed in the late 19th century and was an engine of economic growth in the U.S. The Industrial Revolution led to inventions that included the assembly line, telegraph, steam engine, sewing machine, and internal combustion engine.
  • Louisiana Purchase

    Louisiana Purchase

    Louisiana Purchase | Definition, Date, Cost, History, Map ...
    The Louisiana Purchase was the purchase of imperial rights to the western half of the Mississippi River basin from France by the United States in 1803. The United States purchased 828,000 square miles of land west of the Mississippi River for $15 million. For roughly 4 cents an acre, the United States doubled its size, expanding the nation westward.
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    Lewis and Clark Expedition

    The Lewis and Clark Expedition, also known as the Corps of Discovery Expedition, was the United States expedition to cross the newly acquired western portion of the country after the Louisiana Purchase.
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    War of 1812

    The War of 1812 (1812-15) 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 war ended inconclusively after three years of fighting.
  • Missouri Compromise

    Missouri Compromise

    This legislation admitted Missouri as a slave state and Maine as a non-slave state at the same time, so as not to upset the balance between slave and free states in the nation. It also outlawed slavery above the 36º 30' latitude line in the remainder of the Louisiana Territory.
  • Monroe Doctrine

    Monroe Doctrine

    The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
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    Trail of Tears

    Between 1830 and 1850, about 100,000 American Indians living between Michigan, Louisiana, and Florida moved west after the U.S. government coerced treaties or used the U.S. Army against those resisting. Many were treated brutally. An estimated 3,500 Creeks died in Alabama and on their westward journey.
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    Siege of the Alamo

    Every Texan soldier in the fort was killed and the only survivors were women, children, those who had been enslaved by the Texans at the fort. As a result of the devastating loss for the American settlers, the Alamo became a symbol of resistance and a rallying cry.
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    Mexican-American War

    Mexican-American War was war between the United States and Mexico (April 1846–February 1848) stemming from the United States’ annexation of Texas in 1845 and from a dispute over whether Texas ended at the Nueces River (Mexican claim) or the Rio Grande (U.S. claim).
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    The Civil War

    The American Civil War was fought between the United States of America and the Confederate States of America, a collection of eleven southern states that left the Union in 1860 and 1861. The conflict began primarily as a result of the long-standing disagreement over the institution of slavery.
  • 13th Amendment of the Constitution

    13th Amendment of the Constitution

    On December 6, 1865, slavery throughout the United States became illegal when Georgia ratified the 13th Amendment to the Constitution.
  • Emancipation Proclamation

    Emancipation Proclamation

    President Abraham Lincoln issued the Emancipation Proclamation on January 1, 1863, as the nation approached its third year of bloody civil war. The proclamation declared "that all persons held as slaves" within the rebellious states "are, and henceforward shall be free."