Native American Activists Ultimately Discovered That Their Most Effective Tactic

Native American activists ultimately discovered that their most effective tactic for bringing about change was

A) voting in major political elections.
B) occupying places like Alcatraz and Wounded Knee.
C) taking legal action to force the government to adhere to old treaties.
D) opening casinos on their reservations.
E) imitating the civil rights movement in organizing massive protest marches.