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:

apart from being against desegregation, governor of georgia eugene talmadge opposed as well to the work progress administration, an ambitious program of the "new deal" created by president franklin d. roosevelt to overcome the great depression after world war i. talmadge disagreed with welfare spending, job training and organized labor. according to his ideas, he thought the government was spending too much money on this, and he wasn't willing to accept a wage higher than georgia's lower average wage. besides, talmadge strongly opposed to the "new deal" as he thought it had communist ideas.