Sarah is writing a research paper for history class on the Vietnam War. She is required to use one primary source in her researc
h. Which of the following is an example of a primary source? a. a biography of a Vietnam veteran
b. a website
c. her history textbook
d. an interview with her dad who is a Vietnam veteran
The best example of a primary source among these options that you've mentioned is an interview with her dad who is a Vietnam veteran. She can get all the details she needs from a person who was actually there.