Question

if only 6 % of people from africa were shiped to north america how dd the united states end up with 4 million slaves by the start of civil war

Answer 1

The extra slaves mostly came from the already-shipped slaves having children themselves, and the children of slaves were born into slavery, increasing the total number of slaves. This natural reproduction between slaves in the US accounts for a large portion of the unaccounted for discrepancy between the 6% and 4 million figures.

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