USA HISTORY

Detailed explanation-1: -A United States Geological Survey publication describes the Mid-Atlantic Region as all of Maryland, Delaware, the District of Columbia, Pennsylvania, and Virginia, along with the parts of New Jersey, New York, and North Carolina that drain into the Delaware and Chesapeake Bays and the Albemarle and Pamlico Sounds.

Detailed explanation-2: -Pennsylvania, officially the Commonwealth of Pennsylvania, is a state in the Mid-Atlantic region in the northeast of the United States; the landlocked state features a 70 km (43 mi) short shoreline at Lake Erie. Pennsylvania borders New York in the north and northeast.

Detailed explanation-3: -The Commonwealth of Pennsylvania is a state located in the Mid-Atlantic, Appalachian, and Great Lakes regions of the Northeastern United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Canada to the north, and New Jersey to the east.