The river that the North needed to control to split the South was the Mississippi River. This river was a very important transportation system for the South so controlling the river meant controlling the South.
Potomac River
yes
The Mississippi River is the longest north/south river in North America.
The Battle of Vicksburg
Because the north needed Lee's army out of Pennsylvania and it made the south cut in to two so that was the north's highway to the south.
South to North
South to North.
the longest south to north river is Porn ro river search it in google ]
The Mississippi River is the primary north south flowing river in the United States.
It flows North to South
Do you live north or south of the Red River.
South Carolina is neither south nor north of the Mississippi but it is East of the river