The reason is that the law of slavery is a local law.
Editor's note · Context
Mann explains that slavery is a local law, emphasizing its lack of legitimacy outside its jurisdiction.
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Her lowland neighbors of Maryland and the Carolinas were not far behind at the seeding; nor are they far behind at the ingathering of desolation.
Here the two systems have worked side by side for ages, under such equal circumstances, both political and physical, and with such ample time and opportunity for each to work out its proper effects, that all must admit the experiment to be…
Behind these forty-one indictments for stealing stand drawn up, in battle array, against this same prisoner, seventy-four other indictments for transporting the very slaves whom he is charged to have stolen.
So far from facilitating the increase of individual or national wealth, slavery retards both.





