 Between 75 and 100 of the city's residents, including many German-American immigrants, turned out to help establish the new organization.From the earliest days, left wing opposition existed to the new organization in the form of the Socialist Labor Party, which sought to debate Debs and the Social Democracy on the nature of Socialism.One historian of this interlude has intimated that such a desire for debate was natural, characterizing party leader Daniel DeLeon of the SLP and Victor Berger of the Social Democracy as "the sages behind two opposing schools of socialism."