How did every American gain the right to free speech? How did slavery end in the U.S.? How did millions of women and African Americans gain the right to vote? How did racial segregation come to an end? Not by voting. ❌ Not by legislation. ❌ Not by party loyalty and writing op-eds in the newspaper. ❌ The biggest and most positive changes to American society occurred by: Mass movements resulting in Constitutional Amendments. ✅ Learn more about our Vision here.