Southern industrialists began switching from white laborers to slave laborers in the 1820s __________
A) because they believed slaves were more skilled
B) to eliminate the threat of strikes
C) because they believed slaves had a higher tolerance for the heat required in the production of iron and textiles
D) because they were unable to find enough whites to fill the positions
Answer: B
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Fill in the blank(s) with the appropriate word(s).
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