Who Were the Marx Brothers

Who were the Marx Brothers?

A) They came up with the most revolutionary theory in the history of labor relations and made labor unions nearly obsolete.
B) They introduced a personal television small and affordable enough to bring into people's homes, making the radio obsolete.
C) They produced some of the most serious dramatic films of the thirties, a genre that characterized the majority of feature films.
D) They typified the German communists at work in Detroit's unions, as the number of American communists surged
E) They produced plotless masterpieces of irreverent satire that provided a sense of escape during the Depression.