| A | B |
|---|
| Start Spanish-American War | Sinking of the USS Maine--mystery |
| US Acquisitions Spanish-American War | Guam, Puerto Rico, Phillipines |
| Country Freed in Spanish-American War | Cuba |
| First to try to build a canal from Atlantic to Pacific | French |
| French Canal Failure | Disease from Mosquitoes; all on same level |
| US Permission to Build Canal | Colombia refused; supported a revolution in Panama |
| Panama Canal Engineering Advancement | Use of Locks |
| International Workers of the World | First labor union open to all workers |
| Technological advancements end of 1800's | electricity; telegraph/telephone; automobiles; airplanes |
| Economic systems | Capitalism; Socialism/Communism |
| Production technological advancements | Assembly line (Ford cars) |
| Start of World War 1 | Assassination of Archduke Franz Ferdinand |
| Why World War I involved so many countries | Interlocking alliances |
| Technology of World War I | machine gun; airplanes |
| Type of Fighting in World War I | Trench warfare |
| Allies in World War I | Britain, France, Russia, Italy, US |
| Central Power in World War I | Germany, Austria-Hungary, Ottoman Empire, Bulgaria |
| World War I casualties | 16 million killed; 21 million wounded |
| Results of Worldwide Flu Epidemic | 5000 million sick; 20-50 million died; 675,000 Americans died |
| Cause of the spread of the Spanish Flu | Soldiers travelling from country to country |
