1. World War I 1917

2. Zimmerman Telegram This was a coded telegram This was a coded telegram Sent from German Foreign Secretary Arthur Zimmerman to German Ambassador in Mexico, Heinrich von Eckardt Sent from German Foreign Secretary Arthur Zimmerman to German Ambassador in Mexico, Heinrich von Eckardt It discussed a military alliance between Germany and Mexico It discussed a military alliance between Germany and Mexico

3. Arthur Zimmerman Arthur Zimmerman

4. If Germany and the U.S. were at war, Mexico should attack southwestern U.S. If Germany and the U.S. were at war, Mexico should attack southwestern U.S. Also invited Japan to join in the fighting Also invited Japan to join in the fighting The Mexican gov’t says no The Mexican gov’t says no The British intercept it and pass it to the U.S. and it is published in U.S. papers The British intercept it and pass it to the U.S. and it is published in U.S. papers

6. Germany continues its unrestricted submarine warfare policy Germany continues its unrestricted submarine warfare policy Sinks three American merchant ships Sinks three American merchant ships The U.S. declares war on Germany, April 6 th 1917 The U.S. declares war on Germany, April 6 th 1917 However, it will take nearly a year to get sufficient troops to France However, it will take nearly a year to get sufficient troops to France

7. Thomas Edward Lawrence Also known as Lawrence of Arabia Also known as Lawrence of Arabia Worked for British military intelligence Worked for British military intelligence He convinced Arab leaders to revolt against the Ottoman Empire He convinced Arab leaders to revolt against the Ottoman Empire Helped capture key Middle Eastern cities: Damascus, Jerusalem Helped capture key Middle Eastern cities: Damascus, Jerusalem Tied down tens of thousands of Ottoman Empire troops in the Middle East Tied down tens of thousands of Ottoman Empire troops in the Middle East

10. Middle East 1920 Middle East 1920

11. Russian Revolution Tsar Nicholas II abdicates March 2 nd, 1917 after his troops refuse to shoot on protestors Tsar Nicholas II abdicates March 2 nd, 1917 after his troops refuse to shoot on protestors A provisional gov’t take over under Alexander Kerensky A provisional gov’t take over under Alexander Kerensky A man named Lenin arrives in Russia in April 1917 (Germany sends him in on a train) A man named Lenin arrives in Russia in April 1917 (Germany sends him in on a train) Russia wants out of World War One Russia wants out of World War One

12. Nicholas II Nicholas II Last Tsar of Last Tsar ofRussia

13. Vladimir Illyich Vladimir IllyichLenin