Respuesta :
By the time Martin Luther King Jr, was assassinated, he had been a civil rights leader for more than ten years.
Martin Luther
The Chicago Movement was started by Martin Luther King.
The movement started as the civil rights campaign for African Americans against discrimination and segregation.
Luther Jr has been a leader for more than ten years.
He joined the civil rights movement from 1950s until his assassination in 1968.
Thus option A is the correct answer.
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