It is a letter which advocated non violent attitude of his protest against the racial discrimination that oppressed African Americans. Martin Luther King's death, racism, discrimination, and prejudice continue to fill the national discourse, especially regarding healthcare.No discrimination is allowed on account of race or colour; but separate schools are provided for white and coloured children. But in the final analysis, racial discrimination must be uprooted from American society because it is morally wrong. The tenor of his speeches make it pretty clear he opposed all forms of racial discrimination. King personifies segregation as having manacles and discrimination as having chains. I never intend to adjust myself to segregation and discrimination. You all left out the word racial. Why? Was Martin Luther King against all forms of discrimination, or only discrimination against black people? It began in the late 1940s and ended in the late 1960s.