Agent of ChangeLiz Carpenter Award for Research in the History of Women, Texas State Historical Association The essayist Adela Sloss Vento (19011998) was a powerhouse of activism in South Texass Lower Rio Grande Valley throughout the Mexican American civil rights movement beginning in 1920 and the subsequent Chicano movement of the 1960s and 1970s. At last presenting the full story of Sloss Ventos achievements, Agent of Change revives a forgotten history of a major