The term Robber baron refers to wealthy and powerful 19th century American businessmen who used exploitative practices to amass their wealth. A philanthropist is a person who makes an active effort to promote human welfare and make a positive impact on society. Which is the BEST example of a "Robber baron" using his wealth in a "philanthropic" manner? A) Jay Gould and his involvement with the "Tammany Hall" political ring B) Cornelius Vanderbilt and the $1 million endowment he gave to Vanderbilt University C) Alexander Graham Bell using his capital to purchase all of the stock of his competitors D) The sale of Carnegie steel for $480 million to J. P. Morgan and the creation of U. S. Steel in 1901