Which four of the following were accomplishments of the progressive era?
- the number of americans eligible to vote approximately doubled
- new labor laws were put in place to eliminate child labor
- former slaves were given american citizenship and rights
- laws were passed to reduce unfair business practices
- hiring system for government workers was reformed
- income taxes paid by the average american were greatly reduced

The following were accomplishments of the Progressive Era,

Explanation:

Progressives are white Catholics, the middle class and the born native, who have sought to resolve problems created by the market, development of cities and laissez-faire.  

They are Social workers, Students, leaders, teachers, writers. University of Educated Experts

Improving workplace working conditions, restricting unfair business practices, reducing child labor, benefiting refugees and the elderly

Give the government back to the public, have more people to vote and get political machines to stop corruption.

Fairness and opportunity in the workplace control unequal confidence and improve the workforce. Show the common people of the US. State and not the industrialists are in charge.

Preserve the environment and natural resources.

the process is called revolution because it was a process of great economic-social transformations that began in england in the xviii century.

the industrial mode of production spread throughout much of the northern hemisphere throughout the xix and early xx centuries.

the effect of this revolution was the distance between the countries, with respect to economic and political power.   after all, not all industrialized at the same time, remaining in the condition of suppliers of raw materials and agricultural products to the industrialized countries.

these differences mark to this day the nations of the world that are divided between developed and developing countries. one way to measure whether a country is advanced is to assess how industrialized it is.

yup! you are correct it is b.