"Give a Hoot!" poster

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Of the many core responsibilities of citizenship, the most basic has been being a “good citizen.” The founding generation believed that liberty and freedom could only survive if the Republic and its people were virtuous. For them, and still today, this means respecting the country’s institutions, fulfilling civic duties, contributing to the community, and generally being a good neighbor, such as advertised in this 1971 public service poster.

— https://americanhistory.si.edu/collections/object/nmah_529340