Which describes how the Black Panthers differed from earlier civil rights groups like the National Association for the Advancement of Colored People (NAACP)?

A.The Black Panthers opposed the practice of racial segregation in public places.
B.The Black Panthers mainly pursued their goals by filing lawsuits in federal courts.
C.The Black Panthers campaigned to repeal the Second Amendment right to bear arms.
D.The Black Panthers demonstrated they were prepared to defend themselves with weaponry.