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What invention is responsible for prolonging the use of slave labor in the

U.S.?
A) the railroad
B) interchangeable parts
C) the cotton gin
D) the McCormick reaper

2 Answers

2 votes

Answer:

c

Step-by-step explanation:

the cotton gin is responsible

User Tomasz Linkowski
by
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2 votes

Answer:

c ) cotton gin

Step-by-step explanation:

User TheQuickBrownFox
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