the region of the United States lying to the north of the Ohio River and to the east of the Mississippi River

of or characteristic of regions of the United States west of the Mississippi River

the region of the United States lying to the north of the Ohio River and to the east of the Mississippi River

of a region of the United States generally including Kentucky, West Virginia

of a region of the United States generally including Delaware; Maryland; Virginia; and usually New York; Pennsylvania; New Jersey

of a region of the United States generally including the New England states; New York; and sometimes New Jersey and Pennsylvania

of a region of the United States generally including Alabama; Georgia; Florida; Tennessee; South Carolina; North Carolina