The Mississippian Tradition arose after people began devoting greater efforts to growing corn. This provided a surplus of storable food and allowed populations to increase. Settlements tended to concentrate in river valleys, with their good soils and abundant wild foods.
Explanation:
Mississippian religion was a distinctive Native American belief system in eastern North America that evolved out of an ancient, continuous tradition of sacred landscapes, shamanic institutions, world renewal ceremonies, and the ritual use of fire, ceremonial pipes, medicine bundles, sacred poles, and symbolic weaponry.
Kennedy says that most historians agree that American entry into World War I tipped the scales against Germany and that without the participation of the United States the Allies would have lost, “defined as having to make a compromise peace with the Germans largely on German terms.”