greatps24 wrote:
The invention of the cotton gin,being one of the most significant developments of the nineteenth century, had turned cotton cloth into an affordable commodity; it was costly before that.
a. being one of the most significant developments of the nineteenth century, had turned cotton cloth into an affordable commodity; it was costly before that
b. having been one of the most significant developments of the nineteenth century, turned cotton cloth into an affordable commodity, costly previously
c.
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