Dale Allen Pfeiffer went on a hunger strike because of one of the members of which movement?
Dale Allen Pfeiffer:  In 1999, he was one of the organizers of a hunger strike to provide medical care for political prisoner Leonard Peltier. Leonard Peltier: Leonard Peltier (born September 12, 1944) is a Native American activist, a citizen of the Anishinabe & Dakota/Lakota Nations, and member of the American Indian Movement (AIM).
American Indian Movement