Final answer:
The men who consolidated, reorganized, and built huge railroad companies were often called Robber Barons.
Step-by-step explanation:
The term used to describe the men who consolidated, reorganized, and built huge railroad companies is Robber Barons. These individuals, also known as industrialists or tycoons, were often criticized for their ruthless tactics and monopolistic control over the industry. They accumulated immense wealth and power by exploiting workers, manipulating markets, and engaging in anti-competitive practices. Some well-known examples of Robber Barons in the railroad industry include Cornelius Vanderbilt, Jay Gould, and J.P. Morgan.
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