Agriculture Workforce

At the end of the first millenium, producing food, fiber, and other agricultural products required 90% of the population; at the end of the second millenium, it was less than 1% in the U.S., and prices were low because of overproduction.  These changes, including the end of slavery, resulted from the exploitation of fossil fuels.  If prices rise and people cannot afford gasoline and heating oil, 75% of the U.S. population will have to be resettled from cities to 5 ac farms.