What did progressives do to bring about changes in business?

In the progressivism era from 1890s to the 1920s. The united states society experiment different improvements. In the field of business some of the major accomplishments were:

Explanation:

Progressivism support the social reform. The main idea is progress and is reached with economic, social and technological changes that improve the quality of life.

Subjects as the vote for women, the improvement of the economic performance, were very important under the progressivism agenda.  

where is the picture of the graph or table?

fairly positive it is 4