Transfers ToUC and CSUCal-GETC Area 4 · IGETC Area 4G · CSU GE Area D7DescriptionSW 020 is an introductory overview of social welfare and the societal institutions in the U.S. that structure the provision of social services. The course presents a historical perspective on the development of U.S. social work and human services. Special attention is given to current service delivery systems, their policies and procedures, and the tasks of culturally responsive social workers and human service workers within those settings. 