which item is an example of a primary source?
a. a biography of the president
b. a letter from an academic about her research
c. a website discussing the history of the United Nations
d. a photograph of a civil rights March ​

Respuesta :

Answer:

A photograph of a civil rights march

Explanation:

Because a primary source is a source from THAT time period and so a picture of a civil rights march is from when it happened