Why did Andrew carnegie begin working with steel?

Andrew Carnegie began working with steel due to the booming demand for steel in the late 19th century, driven by rapid industrialization and infrastructure development in the United States. Recognizing the potential for profit and growth in the steel industry, he invested in innovative production techniques and technologies, such as the Bessemer process, which allowed for more efficient steel manufacturing. This strategic move ultimately led to the establishment of Carnegie Steel Company, making him one of the wealthiest individuals of his time.