4. Which technological innovation had the greatest impact on the growth of the US into an industrialized society? Explain. · Steel (Bessemer Process)

· Oil

5. Who was the most influential businessman of the late 20th century? Explain.

· John D. Rockefeller

· Andrew Carnegie

· J. P. Morgan

· Cornelius Vanderbilt

6. Which labor union had the greatest impact on the lives of workers? Explain.

· American Federation of Labor

· Knights of Labor

· International Workers of the World

Steel,  J.P. Morgan, Knights of Labor

Explanation:

The industrial revolution is a world phenomenon and was influenced by western civilization and first occurred in Britain. The technology was a great fueler of economic growth and contributed to the living standard of people.  The labor union in the world is organized by the nights of labor which provided a democratic voice to the laborers at the workplace and the larger society. J.P Morgan was one of the top businessmen of the 20th century. The J.P group represented the investment company and is a financial service provider.