I'm almost sure it was the Ohio, but that was only on the east side of the Mississippi.
The two slave states from which a slave could escape directly across the Ohio River into a free state are Kentucky and West Virginia. Kentucky is located to the south of the Ohio River, while West Virginia, which was part of Virginia during the antebellum period, lies to the east. Both states provided routes for escaped slaves seeking freedom in Ohio, which was a free state.
The border between slave and free states east of the Mississippi River was largely defined by the Mason-Dixon Line and the Ohio River. This division was established during the early 19th century as states entered the Union. The exception to this border was Missouri, which was a slave state located north of the Ohio River, complicating the geographical and political landscape of slavery in the United States.
The "Border States" were slave states.
The Ohio river was important during the civil war. Since most of the states south of the river were slave states and most of the north states were free, many slave crossed the river to try and get freedom.The Tennessee river was a central component of one of the world's greatest irrigation and hydropower systems and a major waterway of the southeastern United States.
California became a free state in 1850, ending the balance of free states and slave states. However, the slave states got a tougher fugitive slave law as a result of California's admission to the Union as a free state.
The Potomac divided the Confederacy from the Union, although Maryland was a slave-state, and so was DC at the beginning. The Ohio River divided the slave-states from free soil.
How the land would be divided into slave states and free states.
The Mason &-Dickson line
The Mason-Dixon line
The Mississippi River.
The Union states that bordered seceding states included both free and slave states. For instance, Pennsylvania and Ohio were free states that bordered the slave states of Virginia and Kentucky. Additionally, Missouri, which was a border state with divided loyalties, had Union and Confederate sympathizers but was also adjacent to free states like Illinois and Iowa. Thus, the border regions were complex, reflecting a mix of free and slave state dynamics.
The two slave states from which a slave could escape directly across the Ohio River into a free state are Kentucky and West Virginia. Kentucky is located to the south of the Ohio River, while West Virginia, which was part of Virginia during the antebellum period, lies to the east. Both states provided routes for escaped slaves seeking freedom in Ohio, which was a free state.
The border between slave and free states east of the Mississippi River was largely defined by the Mason-Dixon Line and the Ohio River. This division was established during the early 19th century as states entered the Union. The exception to this border was Missouri, which was a slave state located north of the Ohio River, complicating the geographical and political landscape of slavery in the United States.
The Ohio
Slaves had to cross the Delaware River to reach the state of Delaware. The river served as a natural barrier between the free states in the north and the slave states in the south.
im pretty sure it was the Missouri compromise.
The "Border States" were slave states.