Physical obstacles:
Rivers were hard to find, so canals had to be built.
The mountains were hard to cross, so railroads had to be built.
Economic Factors:
The need for cheap ways to deliver goods far away pushed the creation of roads, canals, and railroads such as the National Road. These endeavors costed money.
Political Issues:
President Monroe deemed unconstitutional and vetoed a bill that would have granted money for the states to build roads.
John C. Calhoun and Henry Clay defended the need for new roads and other methods of transportation.