UK History: Chapter 9, Exercise 2 — Possible Solution
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QUALIFICATION
The source dates the Industrial Revolution roughly to 1760 to 1840,
originating in Britain and spreading to continental Europe and the United
States by 1840. The dates are approximate, and it did not end in 1840; it
spread.

REWRITE
"The Industrial Revolution occurred roughly between 1760 and 1840, originating
in Britain and spreading to Europe and the United States by 1840."