1) The transformation from an agrarian to an industrial nation placed the US as the top producer of goods and services in terms of output, wages, and standard of living for citizens.
2) The accumulation of resources in the US was completing the first phase of industrial growth by World War I and entering a second phase of rationalizing resource utilization in industry.
3) Frederick Taylor was the focal point for scientific management which aimed to boost production and reduce costs through time and motion studies, eliminating wasted motions, setting standards, and implementing piece-rate incentives to increase wages while reducing per-unit labor costs.