How did the era of Westward Expansion and Industrialization transform American culture and force Americans to confront traditional understandings of freedom and equality

Westward expansion and industrialization helped transform American culture by spreading Americans throughout the nation. It forced Americans to confront traditions understandings of freedom and equality because events like the gold rush of California or Texas becoming part of the USA pushed Americans to resettle from their lives in order to make more money and have a higher life for their families. Americans felt more free in their new lives and their new lives, similar to other people around them, were felt equal.

I'm pretty sure that's called a volcano