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What invention ultimately led to the spread of slavery?

A. steam Boat

B. mechanical Reaper

C. Sewing Machine

D. Cotton Gin

E. Steel Plow

2 Answers

2 votes
I think D so sorry if i am wrong

User Sai Dandem
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Hard to say but I'd say D - The Cotton Gin. Because slaves still were supposed to run the machines.
User Aftab Naveed
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