By settling newly discovered lands.
Please correct me if I'm wrong!!! :)
Answer:
Option B) Machines were invented that could do work formerly done by people
Answer:
By the time he left office in August 1857 to represent the territory in Congress, Stevens had "negotiated ten treaties providing for the quieting of Indian title to some hundred thousand square miles of land."
They are good for us military bases, allies, trade, and other natural resources that aren’t in the states