| A | B |
|---|
| WW1 Begins (July 28, 1914) | Austria-Hungary declares war on Serbia. |
| Official U.S. Policy (1914-1917) | Neutrality in WW1. |
| Cause of U.S. Entry into WW1 (1917) | Unrestricted U-boat warfare by Germany. |
| Wilson's Idealism and 14 Points (1917-1918) | Aimed at established world peace and creating a world peace organization - the League of Nations. |
| Versailles Treaty (1919) | Punished Germany for WW1. |
