All of these are the causes that led to the Russian Revolution. The Russian Revolution consists of two revolutions actually and those are the February Revolution and the October Revolution. The Russian Revolution led to the end of Tsarists autocracy and led to the rise of the Soviet Union.
Answer: B) Cornelius Vanderbilt and the $1 million endowment he gave to Vanderbilt University.
"Robber barons" were powerful businessmen of the 19th-century United States who made their fortunes through dubious practices. Some of these morally questionable strategies are monopolies, the formation of trusts, exploitation of workers, etc. Cornelius Vanderbilt is an example of this type of industrialist. Moreover, a donation to Vanderbilt University is likely to be seen by most people as a "philanthropic" or charitable act.
A. The opportunity to establish the US as a Military power :)