A secondary consequence of this was the destruction of Southeastern Indian tribes food crops. The Indian tribes of the Southeast, Cherokee, Chickasaw, Choctaw, Creak and Seminoles, among others, were primarily land subsistence farming growing corn, squash, melons, peas and beans. The hogs uprooted many of the tribes fields creating sudden famines.............
Pigs reproduce rapidly, but it would take a while for them to increase to the point this would happen. The tribes learned to eat pigs pretty quickly, too.
In general, introducing an exotic species can have lots of effects.
No historical proof of your statement.