The best-selling book of the 19th century was Harriet Beecher Stowe's 1852 anti-slavery novel "Uncle Tom's Cabin; or, Life Among the Lowly," which focused on the immorality of slavery. The Bible was the only book to sell more copies in the United States.
Due to the land, the annexation exacerbated the inter-sectional tension over slavery. There was a disagreement about whether to continue to treat them as free or slave states. Lee's final northern invasion was the Gettysburg Campaign, and the Battle of Gettysburg, which resulted in 51,000 deaths, is still the deadliest engagement in American history. Union soldiers were simultaneously moving westward along the Mississippi River and its tributaries. In order to maintain the country's balance between slave and free states, this law simultaneously accepted Maine as a non-slave state and Missouri as a slave state. In the remaining Louisiana Territory, above the 36° 30' latitude line, slavery was likewise prohibited.
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