Answer:
Primary sources is the answer
i think its d but im not for sureAnswer:
Explanation:
The most popular form of protest during the Anti-Vietnam War movement were sit-ins.
This is true and the after-dinner speeches did develop in England
during that time and their purpose was mainly to entertain or to state something
important but in humorous way. Any topic could discussed if it was approached
humorously and even though its main purpose was to entertain it could also be a
bit informational and persuasive.
