Answer:
Lake Michigan, Lake Superior, Lake Huron, Lake Erie, and Lake Ontario
Physical features of the region include mountains, highlands, plains, and lowlands. The climate in this region is greatly effected by the Atlantic Ocean. Temperature and rainfall can vary greatly within the region.
According to the World Bank, agriculture is the main source of food, income, and employment for the majority. It provides about 33% of the gross domestic product (GDP). ... Although new agricultural technologies helped increase food production, there still was room for further growth.