 Complete the following phrase:  The ISO originated in 1976 among a number of groups in the American International Socialists IS that were growing increasingly critical of the organizations leadership. Among them was the self-identified Left Faction, which was led by Cal and Barbara Winslow and supported by the ISs Canadian and British members. The Left Faction and its international supporters maintained that the ISs leadership had acquired a top-down style of operating that depoliticized the organization and placed too much emphasis on sending student activists into working class employment a tactic referred to as industrialization. These disputes followed the disagreements over the 