| A | B |
|---|
| 19th Amendment | Change to the Constitution Guaranteeing Women the Right to Vote. |
| Penicillin | Medical Advance that Would Change Warfare Forever. |
| American Birth Control League | Predecessor to Planned Parenthood. |
| Flight Across the Atlantic | Advance That Would Lead to New Transportation. |
| FDA | Federal Program that Increased National Government Power. |
| First Radio Station | Harbinger of the Era of Mass Communication. |
| High-Compression Lead Gasoline | Cause of Much Pollution During and After this Time Period |
| Black Tuesday | Marked the End of the 1920s, Start of the Great Depression. |
| Sale of Frozen Foods | Invention that Caused Cheaper Food Costs. |
| High Tariff | Law Reinstated by Harding, In Favor of Big Business. |
| Quelled Police Strike | Display of Why Coolidge Supported Big Business. |
| Automobiles | Largest Industry During the 1920s |
| Urban | Type of Economy America Switched to During the 1920s. |
| Sacco and Venzetti | Case that Showed the fear of Foreigners Common in the US. |
| Hawley-Smoot Tariff Act | Caused the Removal of many Foreign Tariffs. |
