What were the key players behind the progressive movement?

The progressive movement in the early 20th century was driven by various key players, including political leaders like Theodore Roosevelt and Woodrow Wilson, who championed reforms to address social issues and economic inequality. Activists such as Jane Addams and W.E.B. Du Bois focused on social justice, labor rights, and civil rights. Additionally, muckraking journalists played a crucial role by exposing corruption and injustices, rallying public support for reform. Together, these figures helped to shape policies aimed at improving working conditions, women's suffrage, and antitrust legislation.