he won support of the south by establishing washinton dc
He won the support of the south by establishing Washtington D.C.
they hoped that this force France and Britain to aid the confederate cause
by paying them back whenever he got the chance to or by not paying it back at all
In exchange for Southern votes, promised to support locating the national capital on the banks of the Potomac River, the border between the two southern states, Virginia and Maryland.