Look at the map. A map of the United notes showing the Great Plains in the middle of the country and Eastern Cities on the East Coast. An arrow pointing left is labeled Farmers. An arrow pointing right is labeled Crops and food. How did the railroads affect the relationship between eastern cities and the Great Plains? Railroads brought settlers to cities in the East and crops and grain to farms in the Great Plains. Railroads brought crops and grain to cities in the East and settlers to farms in the Great Plains. Railroads brought settlers west, but did not bring anything east, so the relationship was not equal. Railroads brought crops and grain east, but did not bring anything west, so the relationship was not equal.