Quinton is printing a 3D model of the Basin and Range part of the western US. In three to five sentences, explain how the valleys and mountain ranges formed.

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

Its in the national history museum and you can't se the original because its locked away in a vault 

The answer to the question is moraine

Answer decreased soil salinity;