Final answer:
The question intersects Social Studies and Law, touching upon historical labor solutions in agriculture and current traffic regulations.
Step-by-step explanation:
The subject of the question relates to Social Studies and Law, specifically addressing agricultural labor history and traffic regulations involving the use of cell phones while operating a vehicle. It reflects the scenario where labor shortages during war times necessitated unconventional solutions such as recruiting city dwellers to work on farms. The legal aspect comes into play with concerns regarding the proper licensing and regulations around driving farm equipment on public roads and the use of mobile phones while driving.