Which factor contributed to the spread of progressive ideas during the late 19th century and early 20th century?

The factor that contributed to the spread of Progressive ideas during the late 19th century and early 20th century is the increasing public awareness of political corruption and business abuses

Explanation:

The question is not complete since it does not provide the options to answer it, here are the options:

A. growing distrust of immigrants and socialist organizations

B. greater political engagement by women, minorities, and young people

C. imperialistic actions taken by the U.S. after the Spanish-American War

D. increasing public awareness of political corruption and business abuses

The social and economic events that affected American society, were clearly impulsed by the increasing awareness of political and economic realities that most citizens were not aware of, this came together with the Progressivism movement with bright new ideologies and intellectuals who stated that a new organization was necessary.

what are the reasons