What Constructive Developments Can Be Attributed to the Black Panthers

What constructive developments can be attributed to the Black Panthers?

A) They reshaped the American political party system for years to come, as the 1960s saw tight presidential races among the candidates from the Republican, Democrat, and Black Panther parties.
B) They led Martin Luther King Jr. to focus his own attention entirely on the South because he felt they could handle bringing equality to the North and that their message would resonate there.
C) Despite the prejudice they showed individuals based on gender and sexual preference, they collaborated with the FBI to outlaw racism shown toward African Americans in the Deep South.
D) Despite their violent tendencies, they affirmed that the necessary first step for African Americans seeking true equality was first to learn to love oneself and then to love and protect each other.
E) They popularized the idea of nonviolent civil disobedience and merged with the Student Nonviolent Coordinating Committee to organize the March on Washington.