The Negro slave trade was the first step in modern world commerce, followed by the modern theory of colonial expansion. Slaves as an article of commerce were shipped as long as the traffic paid. (W. E. B. Du Bois)

The Negro slave trade was the first step in modern world commerce, followed by the modern theory of colonial expansion. Slaves as an article of commerce were shipped as long as the traffic paid.

W. E. B. Du Bois

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article colonial commerce expansion modern negro pay ship slave step theory trade traffic world

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