"<span>C. The South had more miles of railroad track" is not accurate. Railroads were largely situation going from East to West. It is true that the North had a broader industrial base. </span>
Because since these allows for a "division and labor", the answer would be "enough food" and "large population of non-farmers".
hope it helps jijiji
The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
Its the soviet union my good sir