What was Rockefeller’s main point? Prohibition failed to accomplish its goal.
Prohibition was necessary to rid society of its evils.
Prohibition needed to be more widely supported by the government.
Prohibition was accepted by the general public as a necessary change.

The answer to you question, is A, Prohibition failed to accomplish its goal.

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.