It was a democratic government
The Constitution gives three eligibility requirements to be president: one must be 35 years of age, a resident"within the United States" for 14 years, and a "natural born Citizen," a term not defined in the Constitution.
The Progressive Era was a period of widespread social activism and political reform across the United States, from the 1890s to the 1920s.The main objectives of the Progressive movement were eliminating problems caused by industrialization, urbanization, immigration, and corruption in government.
The movement primarily targeted political machines and their bosses. By taking down these corrupt representatives in office a further means of direct democracy would be established. They also sought regulation of monopolies (Trust Busting) and corporations through antitrust laws. These antitrust laws were seen as a way to promote equal competition for the advantage of legitimate competitors.
The first and fourth options.
Interest groups lobby legislators to pass (or oppose laws).
Interest groups do raise money to help political campaigns that share their views.