 In 1928, conflict within the birth control movement leadership led Sanger to resign as the president of the ABCL and take full control of the CRB, renaming it the Birth Control Clinical Research Bureau (BCCRB), marking the beginning of a schism that would last until 1938.Sanger invested a great deal of effort communicating with the general public.From 1916 onward, she frequently lectured (in churches, women's clubs, homes, and theaters) to workers, churchmen, liberals, socialists, scientists, and upper-class women.