What role did the federal government play in increasing industrialization after the civil war

The Congress reduced the prices of land used as railroads below market value.

Explanation:

The US government assisted during the construction of the railroads between 1860 to 1900, seeing railroad as an expensive project, the Congress assisted the railroad companies by giving them land grant, they gave them acres of public land in millions so that they can build their railroads. The Congress saw that this will aid the quick settlement of the West. This lead to the building of four transcontinental railroads.

Congress subsidized railroads and sold land below market value to spur industry and farming.

Explanation:

These are some of the actions that the government took in order to increase industrialization after the Civil War. After the war, the government was interested in supporting people to revitalize the economy and increase the presence of industries in the country. In order to do this, they subsidized railroads that connected people and allowed for the transportation of goods to new markets. They also sold land cheaply in order to spur industry and farming.