The primary purpose of the passage is to A. analyze the early-twentieth-century sociopolitical environment of the United States B. affirm the profound differences among reformist groups contending for power in the early twentieth-century United states C. explain a radical approach to promoting democracy in the early twentieth-century United States D. argue that the results achieved by several decades of reform activity begun in the early twentieth-century United States were paradoxical E. trace the course of inquiry over time regarding an aspect of early twentieth-century United States history