Around the turn of the century American politics entered a period of profound change during which regulatory minimalism and statist command with respect to the economy were rejected in favor of positive government engaged in both regulatory and distributive roles. Through a fresh examination of the judicial, legislative, and political aspects of the antitrust debates in the year from 1890 to 1916, Martin J. Sklar shows that the arguments were not simply over competition versus combination, but also over the larger question of the proper relation between government and the market and between the state and society.