What is a "sit-in" and why did civil rights activists do this?

Sit-in movement, nonviolent movement of the U.S. civil rights era that began in Greensboro, North Carolina, in 1960. The sit-in, an act of civil disobedience, was a tactic that aroused sympathy for the demonstrators among moderates and uninvolved individuals.

all people shall have equal rights upon birth and ever after. (when referring to the rights of man the declaration of the rights of man only applied to landowning men who were 25 years or older and paid taxes equal to 3 days worth of work and were not servants.

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