What is the state matter

For each statement, select whether it is true of the central pacific railroad, the union pacific railroad, or both. it began in nebraska. it began in california. it went through the sierra nevada. it went through the rocky mountains.

Need asap plz ! looking at the map what effect might have geography played in americans having a political revolution against their king in great britain?

What supply problems did the allies face in europe during world war 2