250 years of agriculture transformed America
250 years of agriculture has transformed America through innovation and marketing to industrial development and mass production. American agriculture was not just transformed by America, but it helped to transform America says retired Smithsonian Institution curator Peter Liebhold. Liebhold says it all began with marketing. Liebhold says the next step for agriculture was standardized weights, measures, and quality. The late 1800s and early 1900s saw innovation play a big role in the industry....


















