Martin Luther King Jr.'s letter from Birmingham Jail, which was written in April 16, 1963, is a passionate letter that addresses and responds to the issue and criticism that a group of white clergymen had thrown at him and his pro- black American organization about his and his organization's non- violent demonstrative actions against racial prejudice and injustice among black Americans in Birmingham.

King writes the letter to defend his organization's actions and the letter is also an appeal to the people, both the white and black American society, the social, political, and religious community, and the whole of American society to encourage desegregation and encourage solidarity and equality among all Americans, with no stratifications according to racial differences. King's letter from Birmingham Jail addresses the American society, particularly the political and religious community of the American society.

Specifically, King's letter addresses three important groups in the American society: the white American political community, white American religious community, and the black American society. King addressed these communities as the primary groups wherein racial segregation is continuously proliferated (the white American political and religious community) and points much of his arguments to and for his fellow black Americans in the society.

The response desired in his letter is agreement and appeal for the part of the white American society to abolish segregation and discontinue the injustices happening to his fellow black Americans, while King appeals to his black American fellow men for unity and solidarity, which is an essential factor for their cause to be achieved (that is, the prevention and eventual abolishment of racial prejudice, inequality, and