Why did the policies of the federal government from 1865 to 1900 sometimes violate the principles of laissez-faire?

There
were times when the policies of the federal government shifted away from the principles of
laissez-faire between 1865-1900. Laissez-faire principles mean the government will not be
actively involved in the economy. However, after the Civil War ended, the federal government
needed to help rebuild the South that had been destroyed by the fighting during the Civil War.
The government enacted policies to help the former slaves. The government also authorized the
rebuilding of the South, as new industries and more railroads were built there. Rebuilding the
South and helping the former slaves were ways to help heal and to reunite the country after the
Civil War ended.

The government also intervened in labor disputes. The
government used the army to run the trains during strikes involving the railroad companies and
the railroad workers. The government involvement helped the railroad owners crush these strikes.
The business owners put a great deal of pressure on the government leaders to...

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