What solution did alexander hamilton propose to the problem he described in this quote

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

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.