How do African people maintain communities even in the middle of slavery?

Explanation:

For weeks, months, sometimes as long as a year, they waited in the dungeons of the slave factories scattered along Africa's western coast. They had already made the long, difficult journey from Africa's interior -- but just barely. Out of the roughly 20 million who were taken from their homes and sold into slavery, half didn't complete the journey to the African coast, most of those dying along the way.

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