Khanacademy.org overview hope this helps :)
The products produced on the prairies went mostly to the market of A. TO PEOPLE IN THE CITIES.
The American prairie is a large area of level land with deep, fertile soil; a cover of tall, coarse grasses; and few trees.
The Great Plains became on of the most productive farmlands in the world.
Answer: A state is specifically a political and geopolitical entity, while a nation is a cultural and ethnic one. The term “nation-state” implies that the two coincide, in that a state has chosen to adopt and endorse a specific cultural group as associated with it.
Explanation: