Western expansion in America increased the country's economic base and added a new dimension to the concerns of slave or free when a territory was admitted as a state. In the end it was this western concern that brought the problem of state rights and slavery plus the end to any more compromises to the point that war was a certainty. Slavery was the unresolved issue and the Dred Scott decision in 1857 was the spark that ignited the powder-keg of Northern, Southern, and Western conflicts into the American Civil War.
It expanded the borders of the U.S. It also can arguably be a cause of the civil war. As the U.S got larger and larger there was much upheaval upon whether to make a territory slave or free. Because a compromise could not be met it lead to the division between the Union and Confederacy.
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Western expansion in America increased the country's economic base and added a new dimension to the concerns of slave or free when a territory was admitted as a state. In the end it was this western concern that brought the problem of state rights and slavery plus the end to any more compromises to the point that war was a certainty. Slavery was the unresolved issue and the Dred Scott decision in 1857 was the spark that ignited the powder-keg of Northern, Southern, and Western conflicts into the American Civil War.
It expanded the borders of the U.S. It also can arguably be a cause of the civil war. As the U.S got larger and larger there was much upheaval upon whether to make a territory slave or free. Because a compromise could not be met it lead to the division between the Union and Confederacy.