7. What can the reader conclude about Martin Luther King Jr. and his efforts to stop segregation in the United States?

To many millions of American Negroes, the Rev. Dr. Martin Luther King Jr. was the prophet of their crusade for racial equality. He was their voice of anguish, their eloquence in humiliation, their battle cry for human dignity. He forged for them the weapons of nonviolence that withstood and blunted the ferocity of segregation.

And to many millions of American whites, he was one of a group of Negroes who preserved the bridge of communication between races when racial warfare threatened the United States in the nineteen-sixties, as Negroes sought the full emancipation pledged to them a century before by Abraham Lincoln.

To the world Dr. King had the stature that accrued to a winner of the Nobel Peace Prize, a man with access to the White House and the Vatican; a veritable hero in the African states that were just emerging from colonialism.

the third answer is right : )

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the rigid outer part of the earth, consisting of the crust and upper mantle is the lithosphere.     answer   crust and outer part of the mantle.