When two plates collide at a convergent boundary, the _ plate is pushed beneath the other and is subducted into the mantle.

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

It is the second answer

Yes there is faults near and around salt lake city. the oldest rock is the darker rocks. also it is a geologic map.i hope this !