Answer :
I believe the answer is A. All of these. I hope this helps you.
A. All of these.
The US had railroad workers build the road from east to west and west to east.
They removed the Native Americans because of their beliefs.
The offered small land at cheaper prices so more people could afford it.
The US had railroad workers build the road from east to west and west to east.
They removed the Native Americans because of their beliefs.
The offered small land at cheaper prices so more people could afford it.