Working in war factories in the West is the correct answer :)
In this way the Declaration of Independence makes is crystal clear that government has one overarching purpose; that of protecting the inherent human rights of life, liberty and property (pursuit of happiness).
They would travel on foot
"The promise of an easy life" was not a reason that people moved west in the late 1800s, since in fact many people knew that this new life would be quite dangerous and difficult.