The Public Demand for a More Active Federal Role and the Creation

The public demand for a more active federal role and the creation of independent regulatory agencies after the Civil War was spurred by

A) a rise in large corporations such as railroads that outgrew the regulatory authority of the states.
B) the rising size of federal bureaucratic agencies that needed public oversight.
C) an inflation in the scope and authority of state regulatory agencies over corporations.
D) increased industrial capabilities in northern states and a growing agrarian society in the South.