The Progressive Era (1890 - 1920)
16th Amendment
Authorizes a federal income tax based on graduated rates rather than a flat percentage or per person fee.
17th Amendment
Changes election of senators from state legislators to popular elections in the state.
18th Amendment
Prohibition of the sale, manufacture, transporting, and importing of alcoholic beverages.
19th Amendment
Gave women the right to vote in federal elections.
Initiative
People create the bills and then send them to state legislation to vote on them.
Referendum
Bills proposed by the legislature but voted on by the people
Recall
An elected official is voted out by the people if they are not doing a good job.