The correct answer is: D. Samuel Gompers.
Explanation:
After the Civil War, The Gilded Age spread through the late nineteenth century. America's population and economy increased rapidly mostly in the Northern and Western states. When Industrialization took over the economical activity of the country a group of young businessmen transformed the economy with their innovations creating most of the greatest industries.
Samuel Gompers was an American labour leader not a business man. He was the first president of the American Federation Labor. Gompers set the model of unionism and achieved economical goals through union trades of local business.
