Answer :
Final answer:
Daniel Ellsberg's leak of the Pentagon Papers during the Vietnam era exposed government deception and influenced public perception of the war.
Explanation:
Daniel Ellsberg played a significant role in the Vietnam era by leaking the Pentagon Papers, which revealed the truth about U.S. involvement in Vietnam, contradicting official government statements.
Ellsberg's actions led to a public outcry, exposed government deception, and affected public perception of the war, contributing to a shift in public opinion.
His courageous act of leaking the classified documents demonstrated the importance of transparency and accountability in government actions.
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