The Reverend Martin Luther King, Jr., was the main leader of the civil rights 1.   in the United States during the 1950's and 1960's. King devoted his life to the elimination of racial segregation and the promotion of political and economic 2.   for all Americans. King's commitment to non-violent protests and his stirring speeches 3.   him and his causes the support of millions of people. In 1963, King led the March on Washington. People came from all over the country. More than 200,000 people heard King's dramatic 4.   for racial equality at the Lincoln Memorial. His speech that day was the high point of the demonstration and defined the moral 5.   of the civil rights movement.