The area identified as the Great Plains is considered to be

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

i dont know but i need points