| Both | Germany and allies lost |
| Both | Peacekeeping organizations were set up |
| Both | Russia had the most casualties |
| Both | Women and African Americans helped at the home front |
| Both | US strengthened |
| Both | Economic problems in Germany, Britain, France, and Russia |
| Both | Europe was devastated: people left homeless, industry/farmland destroyed) |
| Both | Rise in socialism because of economic problems |
| Both | Germany broken up |
| WWI | Tone was vengeful |
| WWI | League of Nations - less countries and no army power |
| WWI | Russia lost land |
| WWI | Allies appeased Germany |
| WWI | Germany formed Weimar gov't |
| WWI | Governments formed were democratic then totalitarian |
| WWI | Entangling alliances |
| WWI | Few attempts to prevent economic distress |
| WWI | US isolationist |
| WWI | Led to physical war |
| WWI | Fascism rose |
| WWII | Tone was to build up arms/power |
| WWII | United Nations - more nations and army power |
| WWII | Russia gained land |
| WWII | Allies more involved in Germany (zones of occupation) |
| WWII | Allies imposed their system of gov't (W - democratic, E - communist) |
| WWII | Governments formed were democratic |
| WWII | Not very entangling alliances |
| WWII | World Bank, International Trade Organization, International Monetary Fund, and the Marshall Plan were created to prevent economic distress |
| WWII | US internationalistic |
| WWII | Led to proxy war, war of ideals |
| WWII | Fascism defeated |