A, the working class expanded
Answer:
Usages of the titles of Grand Duke, Duke and Prince
Explanation:
In all European countries, the sovereign Grand Duke (or Grand Prince in some eastern European languages) is considered the third-highest monarchic title in precedence, after Emperor and King. In Germany, a sovereign Duke (Herzog) outranks a sovereign prince (Fürst)
Answer:
This is for Carnegie and Rockefeller, I still don't know about Vanderbilt
Explanation:
Inspired in part by fellow Gilded Age tycoon Andrew Carnegie (1835-1919), who made a vast fortune in the steel industry then became a philanthropist and gave away the bulk of his money, Rockefeller donated more than half a billion dollars to various educational, religious and scientific causes
Im gonna say B) or C) they both seem to make sense.
The government persuaded citizens to lend money to the government by buying bonds.