Read the excerpt from Dr. Martin Luther King’s “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?

King describes black nationalist groups as a force driven by bitterness and hatred that comes close to supporting violence. This contrasts with his own group’s commitment to nonviolent action, helping explain why he presents nonviolence as a different path. The correct choice is “to provide a contrast to his group’s nonviolent efforts.”

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