How did Martin Luther King Jr. contribute to the civil rights movement?

Dr. Martin Luther a black man had been a religious kid all of his life he had grown up treated to be unfair. Once he grew up he became a priest. Later in his life gave the famous I Have a Dream speech. Increasing the value of blacks in the nation. His speech had helped man understand that we are all equal no matter what, it helped put an end to slavery, and gave blacks thew equal rights they have today.