Final answer:
Andrew Carnegie was the "captain" of the steel industry, leading the Carnegie Steel Company and greatly influencing the growth of the United States.
Step-by-step explanation:
Andrew Carnegie was the "captain" of the steel industry. He built a vast empire in the late 19th century and early 20th century, becoming one of the wealthiest individuals in history. Carnegie's company, the Carnegie Steel Company, dominated the steel industry and played a major role in the growth and development of the United States.
Learn more about Andrew Carnegie's role in the steel industry