World War 1

2. war/economies, and populations of participating nations to an extent never seen before in history
3. Warfare/ long, deep ditches dug as protective defenses
6. Front/ a theater of operations that encompassed at its greatest extent the entire frontier between the Russian Empire and Romania
7. Declaration/a statement issued by the British government in 1917
12. Alliance/A secret agreement between Germany Austria-Hungary, and Italy
14. Princip/assassinated Archduke Franz Ferdinand of Austria and the Archduke's wife, Sophie
15. The rest of the world conducted the war with each other.
19. note/ was a secret diplomatic communication issued from the German Foreign Office in January 1917
22. the assassination of Archduke Franz Ferdinand in Sarajevo in June 1914, an event that led directly to the outbreak
23. War/ The mechanized mass destruction of enemy combatants, grew ever more deadly.
24. an international organization headquartered in Geneva, Switzerland, created after the First World War to provide a forum for resolving international disputes.
25. of Nations/ a proposal made by U.S. President Woodrow Wilson in a speech before Congress
26. Front/ the main theatre of war during the First World War.
27. used to sink 5,000 ships measuring more than 13 million gross register tons during the war.

1. led by Vladimir Lenin and a group of revolutionaries
4. Treaty/ levied on the Central Powers after World War I to compensate the Allies for some of their war costs.
5. Rasputin/was the infamous 'holy man' whose ability to heal the Tsar, and Tsarina's son Alexis led to his being adopted
8. Entente/the nucleus of the Allied Powers
9. Wilson/ leader of the Progressive Movement, was the 28th President of the United States.
10. Points/ the armistice signed at Le Francport near Compiègne that ended fighting on land.
11. Trotsky/ headed the Red Army as People's Commissar for Military and Naval Affairs and played a vital role in the Bolshevik victory in the Russian Civil War of 1917-1922.
13. all the national parties in the Socialist International/ supported their respective governments in the war crisis
16. proposed a military alliance between Germany and Mexico if the United States entered World War I again.
17. Powers/ also known as the Central Empires, was one of the two main coalitions that fought
18. Ferdinand/was the heir presumptive to the throne of Austria-Hungary
20. Powers/ formally linked by the Treaty of London of September 5, 1914.
21. War/ The initial British contribution to the total allied