From 1870 to 1970, the percent of American workers based on farms fell by 90 percent, and then again from 1950 to 2010, the percent of Americans working in factories fell by 75 percent.
Od 1870. do 1970. postotak američkih radnika na farmama pao je za 90 posto, zatim od 1950. do 2010. postotak američkih radnika u tvornicama pao je za 75 posto.