B)
Source: http://www.loc.gov/teachers/classroommaterials/presentationsandactivities/presentations/timeline/civilwar/recontwo/
They would move to another place and move back a few years later
Assembly Production Lines.
Ford learned from the meatpacking industry and gave each employee a discreet task along an assembly line that enabled the job to get done faster.
Is there a article or anything that could be used?
