European powers were running out of places to colonize in africa, while trade in East Asia was becoming more and more profitable, but the cost in time and money of traveling all the way around africa and through the india ocean (or the long trek down the silk road) was hampering European profits off of trading. So the Spanish sent Columbus to find a shorter root to Asia. Columbus didn't set out looking for America, it was just a happy accident.
Alexander Hamilton had an affair with Maria Reynolds!
His steel company dominated the U.S. steel market because it made good steel at low expenses. That was possible because he used high-quality equipment and gave workers low wages. He helped to make U.S steel some of the best in the world.