I think the first nation supported the rail way because it gave them a new way of transportation which is faster and easier
here are 5 methods: Issuing bonds,Sales of common stock, Issuing preferred stock,Borrowing or Using profits
Agriculture plays a crucial role in the rise and development of civilizations, since it allows for there to be a "food surplus"--meaning that people other than farmers can spend time and effort developing new skills and practicing new trades.