Westward Expansion

7. a prospector in the California gold rush of 1849.
8. add (territory) to one's own territory by appropriation.
9. a train route across the United States that was finished in 1869
11. the 19th-century doctrine or belief that the expansion of the US throughout the American continents was both justified and inevitable.
12. The movement of a person or people from one country, locality, place of residence, etc., to settle in another
13. give up (power or territory).

1. used to describe something that is the subject of disagreement, especially official or legal disagreement
2. a person who is among the first to explore or settle a new country or area.
3. an artificial waterway constructed to allow the passage of boats or ships inland or to convey water for irrigation
4. the action of becoming larger or more extensive
5. the status of being a state of the US.
6. an area or division, especially part of a country or the world having definable characteristics but not always fixed boundaries.
10. to come into possession or control of often by unspecified means