Answer:
Transcontinental railroad
Explanation:
I figure gold prospectors only because the gold rush had happened over in California I believe?
I do not think the settlers were justified in expanding west, because the territory was already claimed by the Native Americans. I do understand the promise the promise that was made, but the settlers had no right to try to settle in the west.
Answer:
The United Nations had NATO troops bomb Yugoslavia, in the NATO bombing of 1999.
Answer: D
Explanation:
mountains often have rough, uneven terrain, making it hard to build structures or farm.
BRAILIEST PLEASE
