Was U. S expansion into Florida justifiable?

Answer the questions in the image for zoom in to read : )

Which of the following encouraged westward expansion? a.the government decreased the price of federal land. b.each of these represents actions taken to encourage westward expansion. c.the government decreased the price of federal land d.the second national bank lowered the cost of borrowing money (reduced interest rates)

Where did industrial capitalism originate and what advantages did this location have