What are 3 political reforms that many states impeled during the Progresive era?

During the Progressive Era, many states implemented political reforms aimed at increasing democracy and reducing corruption. Key reforms included the introduction of direct primaries, which allowed voters to select party nominees, and the establishment of initiatives and referendums, enabling citizens to propose and vote on legislation directly. Additionally, the adoption of the secret ballot helped to protect voter privacy and reduce the influence of political machines. These reforms collectively sought to enhance public participation and accountability in the political process.