It's a use of literary styles and techniques to create factually accurate narritives. I found this on google.
Its Mercutio! he killed mrs.Huffington
Answer:
"Without innovations in food production, the factories could not have grown so quickly. The trend quickened after 1860 and continued throughout the 21st century as well."
Explanation:
Because in the previous sentence it already stated the same thing. (PS I probably got this wrong)
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