Final answer:
The Progressive movement of 1890-1920 was a broad-based reform movement that aimed to reduce abuses resulting from modernization and industrialization. It sought to address social problems and achieve efficiency and social justice through government regulations.
Step-by-step explanation:
The Progressive movement of 1890-1920 can be best described as a broad-based reform movement that tried to reduce the abuses that had come with modernization and industrialization. The Progressives believed that certain government regulations could promote efficiency and social justice, and they sought to address various social problems such as rapid urbanization, immigration, corruption, and working conditions. The movement included diverse groups with different goals, such as women's suffrage, labor reforms, and the removal of alcohol from communities.