Key Concept 6.1 discusses the rise of industrial capitalism in the United States following the Civil War. Technological advances and large-scale production methods encouraged business consolidation and monopolies. In response, farmers organized cooperatives and alliances to gain political influence, while laborers joined unions to improve wages and conditions. Dissatisfaction among farmers and laborers led to the rise of the Populist Party in the 1890s, which advocated for government regulation of railroads and other industries.