What were some of the various Progressive Era accomplishments between 1900 and 1920.

What were some of the various Progressive Era accomplishments between 1900 and 1920?Why were Progressives successful in moving forward with their ideas during that particular time period?Was there something from the previous decades that caused support for Progressive Era policies?And why did the movement decline by the 1920s?

Make sure that you provide examples of Progressive Era policies and changes – by name.It’s the only way that I can determine that you actually understand the time period.Elaborate fully and make sure that you are addressing all of the above questions.