What was the central reason why the world population doubled between 1650 and 1850

And New World food was far more caloric than Old World food, which is the central reason that the world population doubled between 1650 and 1850. Plants like corn and potatoes could grow in soils that were useless for Old World crops.

Explanation:

what group of people depend on what yoy are talking i will still you once you tell me what group of people you are talking about : )

i think i know what group you are talking about so the brahmins

b hope this