What was Andrew Carnegie's impact on society?

Andrew Carnegie significantly impacted society through his role in the expansion of the American steel industry, which helped fuel the nation's industrial growth in the late 19th and early 20th centuries. His innovative business practices and emphasis on efficiency transformed manufacturing processes. Additionally, Carnegie was a prominent philanthropist, donating vast sums to education, libraries, and scientific research, thereby influencing social progress and access to knowledge for future generations. His legacy reflects both the opportunities and challenges of industrialization, including labor rights and economic inequality.