Nomadic means they was traveling. Reservation means that they stayed/lived on a reservation.
Answer:
Economic
Explanation:
The Marshall Plan was a plan that primarily was created to help recreate the Economic structures in war-torn Europe & Asia. It was used to rebuild infrastructures, repair buildings, etc. It was also a political one, however, as it was used to keep those same countries from becoming communist, by giving them a "democratic aid", it would allow the countries to lean towards having a pro-democratic government.
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1825: Turnpikes, canals, and rail lines drastically changed America's landscape, beginning in the 1800s. Following the War of 1812, the American economy was altered from an economy partly dependent on imports from Europe to an empire of internal commerce.