(4) the progressive era
American History - Chapter 20
The Progressive Era In the late 1800s rapid industrialization and unrestricted growth of cities led to major problems. Progressive reformers attempted.
The Agrarian Movement In the 1870s farmers moved onto the Great Plains, they introduced improved machinery and fertilizers to produce more than ever before.
After the Civil War, the area west of the Mississippi River was settled by miners, ranchers, and farmers Land use in 1860 Land use in 1880.
