What primary purpose does a citation serve in a work of history

a. it allows readers to evaluate a source for themselves
b. it acts as an official stamp of accuracy for the historian
c. it confirms for the reader that an interpretation is true
d. it reveals important information about the historian

Read the excerpt below and answer the question. and i live on, but in grief and self-contempt, left here without the light i loved so much, in a great tempest and with shrouds unkempt. no more love songs, then, i have done with such; my old skill now runs thin at each attempt, and tears are heard within the harp i touch. (lines 9-14) which of the lines, taken from the sestet shown above, is the volta?

The source of wealth for the city-states of the east african coast was trade between the interior of africa and the far east. true false

6fun facts about william thornton ii carter. : / !