What had indians done for many years to make the land suitable for hunting and travel that colonial laws prohibited?

Native Americans would travel somewhere else until the soil would get a chance to recover. This would allow time for the soil replenishment.

To build a series of dams to control floods and generate electricity

Explanation:

The Tennessee valley Authority is a cooperation created and owned by the federal government on May 18 1933 by the congress charter made that year.

the main aim of creating the corporation to stop/control the damages caused by floods in the area. and one effective method used was the creation of Dams. this dams controlled flood and also used the controlled Dams were built to generate electricity to homes and businesses as well. the Tennessee act established this corporation as a federal corporation. The valley authority was tasked with replanting trees as well.