What is the process of adding a new state to the union called?

How was louis and clark expedition event unfolding and what was going on

Which of the following best describes the economic effect that results from the government having a budget surplus?

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)