Which statement about Andrew Carnegie is correct?  
  A. 
  He was a founding member of the New York Stock Exchange.   
  B. 
  He was a poor immigrant from Scotland who made a fortune in the steel industry.   
  C. 
  He served as President Wilson's secretary of state during World War I.   
  D. 
  He was a banker who once loaned the U.S. government 62 million dollars.