spriya wrote:
The invention of the cottongin, 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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