How does the US Bill of Rights prevent the federal government from holding all government power? It allows people to write their own laws.
It grants power to the court system.
It allows people to vote in elections.
It grants power to state governments.

I think it’s allows people to write their own laws

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.