The main idea of the cartoon is that the united states economy is
1) decreasing its emphasis on energy conservation
2) expanding its demand for blue-collar workers
3) providing for the retraining of unemployed auto workers
4) experiencing a decline in the number of industrial jobs
political car

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

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