Which business did Cornelius Vanderblit control by the late 1800s?

By the late 1800s, Cornelius Vanderbilt controlled a vast network of railroads, most notably the New York Central Railroad. He played a pivotal role in consolidating various rail lines, making him one of the most powerful figures in the transportation industry of his time. Vanderbilt's influence extended to shipping as well, but it was his railroad empire that solidified his legacy as a key player in American industrialization.