Original sentence: Howard University is located on the East Coast in Washington, D.Six of Seven are located in the Southern Region of the United States
Edited sentence: Each of the seven are located in the Southern Region of the United States.The Northern Region and Southern Region of the United States being demarcated along the famously surveyed boundry line between 1763 and 1767 by Charles Mason and Jeremiah Dixon in the resolution of a border dispute between British colonies in Colonial America