Please help What made the sit-in movement an effective form of protest?

Explanation:

Sit-ins are one of the most successful forms of nonviolent protest. ... That helps sit-ins draw attention to the protesters' cause. If they are arrested, this has the further effect of creating sympathy for protesters. During the Civil Rights Movement, sit-ins often took place in segregated areas.

Explanation:

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the correct answer is a) egypt and china.

egypt and china are two of the world’s oldest civilizations known by man. both ancient empires have left a great historic and cultural legacy to the world through archeology. both civilzations developed complex social relations, had deep religious beliefs, had dominion of agriculture and left writing records to understand their customs and culture.

among the requirements to consider a civilization, we find urbanization, writing records, a place of residence, agriculture methods, technological specialization, means of transportation, currency, population density, social stratification, and political integration.