What contributions did Andrew carnegie make to us history?

Andrew Carnegie was a pivotal figure in U.S. history, primarily known for his role in the steel industry, which was instrumental in the country's industrial growth during the late 19th century. He founded Carnegie Steel Company, which revolutionized steel production and made the material more accessible for infrastructure projects like railroads and bridges. Beyond his business success, Carnegie was a prominent philanthropist, donating vast sums to libraries, education, and cultural institutions, significantly influencing American society and promoting the idea of the "Gospel of Wealth." His legacy continues to impact views on capitalism and philanthropy today.