Who left one of the largest protests against the hoover administration and congress during the great depression

In March 1930, members of the Communist Party organized an unemployment rally in Union Square, later escalated into one of the worst riots in the city: 35,000 people attending the demonstration were transformed in a few moments from an orderly crowd into a fighting mob. Communist leaders brought their followers down to march on City Hall and demanded a hearing from Mayor Walker. The purpose was to spread awareness about the corrupt and inadequate management of the monopolies who raised the cost of food and rent.

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.