sentences:  The term "Functionalism" began to be used to denote the rather severe, nothing superfluous ethos of the New Objectivity, being used as early as 1925 by Adolf Behne in his book "Der Moderne Zweckbau" ("The Modern Functional Building").In 1926, practically all Modernist German architects organised themselves into a group known as Der Ring, which attracted criticism from soon to be-Nazi architects like Paul Schultze-Naumburg, who formed in response.In 1928 the CIAM had formed, and its earliest conferences, dedicated to questions of "Existenzminimum" were dominated by the social programmes of German architects.