The Tennessee Valley Authority a. was a monopoly established in the 1980s in an effort to control all the energy resources of the Tennessee River Valley b. was a government program of the New Deal that failed in its effort to help farmers in the South c. was a successful effort, that is still with us today, to harness hydroelectric power and develop other ways to assist farmers in the Tennessee River Valley d. was a cooperative federal and state project designed to bring about better law enforcement in a larger area of the South