What environmental and cultural features might to define the region of the u. s midwest ?

U.S. Midwestern states are typically states that were apart of the Louisiana Purchase. Midwestern states also use waterways as a large source of transportation. The Mississippi river and the Great Lakes have been important to the Midwest's development. Culturally, the Midwest remains the biggest melting pot for Protestantism and Calvinism.

costa rica canal

explanation:

a characteristic is a deep cut in the earth or left over rock aka till.