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History

3 March, 20:17

Improvements in transportation and communication during the fi rst part

of the 19th century aff ected economic relations between regions of the

United States by

(A) making the regions more interdependent

(B) making the regions more self-suffi cient and independent

(C) making industrial regions economically dominant over agricultural

regions

(D) making agricultural regions economically dominant over industrial

regions

(E) furthering individual states' ability to regulate interstate commerce