The U.S. Constitution established voting for most citizens over 18, but it wasn't always universal. The 15th Amendment in 1869 allowed black men to vote, yet suppression persisted until the 24th Amendment in 1964 and the Voting Rights Act of 1965. Women gained the right to vote in 1920. Voting rights evolved significantly from the Founding Fathers to the late 20th century. Your vote is crucial in elections, potentially affecting outcomes in close races. If under 18, you can still engage by staying informed, discussing issues, and volunteering. Participating in elections is a fundamental American freedom, vital to exercise.