How did progressivism change American beliefs about the federal government?

Answer 1

https://en.wikipedia.org/wiki/Progressivism_in_the_United_States

Answer 2

Progressivism had an impact in the United States. It helped improve millions of lives and expanded the democracy. It however changed the beliefs of Americans. Changing their expectations on the federal government where they should be more involved in issues such as regulating the economy and solving social problems.