What isthe central purpose of martin luther king jr's letter

Equality. he believed that we should all be equal, and treat eachother the same. "I have a dream that one day my children will be judged on the content of their character, and not by the color of their skin."

The  pan-african movement  was an "emotional, cultural, psychological and ideological  movement  that began among the  african  dispora in the western hemisphere, for a closer  purpose, so that  african  people could feel secure, attain political, economic as well as psychological power visa vis other races or world regions" .