D white settlers I’m pretty sure the railroad hired Chinese immigrants Irish and freed slaves (google stated that California railroad company’s hired these people) this makes sense Any way because there were so many Irish, freed slaves and Chinese immigrants it would make sense to give them that job so D white settlers sorry that took so long this is my first time answering people’s questions wanted to get it right so the answer is d
The closest answer would be C. They wanted to escape poverty in England and find opportunity in America. They also wanted to flee from religious persecution.
The removal of a large area of trees for human use
Chicago was discovered in 1830
Lewis and Clark expedition