$200 $800 $600 $400 $800 $400 $200 $800 $400 $1000 $600 $400 $1000 $200 $600 $200 $600 $1000 $600 $800 $1000 Entrepreneurs and Robber Barons Big Business.
European Immigrants October 17, 2003 Period 7 Immigration From Europe between 1820 and 1920.