Question

read the excerpt from dr. martin luther kings \letter from birmingham jail\.
the other force is one of bitterness and hatred, and it comes perilously close to advocating violence. it is expressed in the various black nationalist groups that are springing up across the nation.
why does the author include these sentences?

• to predict the future of his groups actions
• to recall the harsh actions of law enforcement
• to encourage understanding of black nationalists
• to provide a contrast to his groups nonviolent efforts

Explanation:

In the text, Dr. Martin Luther King is presenting two forces. One is the non - violent approach (implied by his own group's efforts as he was a proponent of non - violence). The other is the force of bitterness, hatred, and near - advocating of violence (represented by black nationalist groups). By presenting this, he is creating a contrast.
He is not predicting the future of his group's actions as there is no indication of future - oriented statements about his own group. There is no mention of law enforcement's harsh actions in these sentences. And he is not encouraging understanding of Black nationalists in a positive sense as he points out their negative aspects (bitterness, hatred, near - violence).

Answer:

to provide a contrast to his group's nonviolent efforts