Pennsylvania and Maryland.
Mason Dixon line
Mason Dixon Line
Pennsylvania and Maryland.
Confederate and Union Boundary IMPROVEMENT The Mason-Dixon line
The Mason-Dixon Line is the invisible line that historically separated the northern and southern states in the United States. It was surveyed in the 1760s and came to represent the cultural and political divide between the free states in the North and the slave states in the South.
The Mason-Dixon line
states rights
The "Mason-Dixon" Line Not true, the Mason-Dixon line was used due to colonial disputes with the British colonies at about 1763
Besides becoming the border between Maryland and Pennsylvania, Charles Mason and Jeremiah Dixon's line became what separated the states that allowed slavery (Confederate; south) and the states that didn't (Union; north)
macmohan line
The geographic regions separated by the fall line in the United States are the Piedmont region and the Coastal Plain region. The fall line marks the boundary between the higher, rocky terrain of the Piedmont and the lower, flat plain of the Coastal Plain.
Mack mohan line