Martin Luther King Jr. was an American pastor, activist, humanitarian and leader in the African-American civil rights movement in the United States from the mid-1950s until his death by assassination in 1968. He is best known for his part in the progression based on his Christian beliefs. By 1968 the years of displays and conflicts were starting to wear on Martin Luther King Jr. He had gotten tired of going to jail and living under steady threats of death. He was starting to become dispirited at the slow movement of civil rights in America and the amount of criticism being received from other African-American leaders. He had a plan going on for another march on Washington to refresh his movement and bring concentration back to the extend range