The role that the Railroads played in the Southern Economy was that "They Shipped materials to Northern Markets" Their main goal was to ship crude materials.
The correct answer is letter C.
Explanation: All the fight between the Farmers and the Cowboys it was because the cowboys broke into the ranchers' property with their cattle, thus damaging the land that the farmers had, preventing them from planting, since they lived of that.
The farmers couldn't take action on what the cowboys did. Until the barbed wire was created and then the peasants could protect their land.
The supremacy clause of the U.S. Constitution has supported the "<span>national government's sovereignty over matters related to citizen health care and education" since these can technically be decided at the state level as well, as opposed to interstate commerce and foreign policy, which can only be handled at the federal level. </span>
The Medes and Persians were originally "<span>a. Indo-European tribes," since it was elements from these various cultures that allowed them to thrive for so long. </span>
