How do i do this question?
direct evidence~it is the most reliable in reconstructing the events to the source; due to an eyeeitness taking part in the event or action.
indirect evidence~this source is written sometime after the event--the author may have lived during the event itself.
artifact evidence~they're an interpretation of what happened. although the objects or images may have been created at the time of event, its not as good as direct evidence.

martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.

your answer would be d