...itories are penetrated in every part by navigable rivers, either opening into the sea, which is the territory of the Federal, or into his own frontiers. From the east and south, the Potomac, the Rappahannock , the James, the Roanoke, the Neuse, the Cape Fear, the Savannah, the Alabama, the Brazos, pierce the country from the sea, while the Mississippi, itself an inland sea, which floats the greatest men o...