This event leads to the flourishing of Native American settlements throughout the eastern seaboard. The food provided a steady food supply for the growing population. The crops were also very nourishing for the land allowing an abundance of food. The staple and effective diet of these crops pushed the agricultural skills of the Native Americans, and lead to the establishment of complex civilizations: the Mayans, the Incas, and most notably the Aztecs. The Native Americans never over worked the land and these crops yielded a lot of food that nourished the Native American diet.

The decline of mound builders and Anasazis 1300AD

The Decline marked the end of permanent Native American settlements. This decline foreshadowed the European invasion during the next three hundred years. The mound builder and the Anasazis where the only true major civilizations aside from the Mexican...