The new economic theory of the early twentieth century held that

This is the correct answer american journalists, writers, and critics in the early twentieth century 

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.

Where people were very broke no jobs were available and everyone was struggling