The correct answer is D) Their policies of direct confrontation and Marxist economic philosophies broke from the established methods of protest.
Black Panther Party was a black nationalist, socialist and revolutionary organization active in the United States between 1966 and 1982. It was based in Marxist and Maoist concepts and practiced civil disobedience and used armed citizens' patrols in order to challenge police brutality against Afro-American. It was an anti-Capitalist party and was linked to international anti-Imperialist organizations. In its activities, it included protests, social programs, and direct conflicts with authorities and other political groups and, for that reason, it was labeled as a criminal organization by the FBI and was systematically persecuted.