Across
- 3. a German submarine
- 6. Great Britain (and the British Empire), France, and the Russian Empire
- 7. was the infamous 'holy man' whose ability to heal the Tsar and Tsarina's son Alexis led to his being adopted as a supreme mystic at court
- 11. type of land warfare using occupied fighting lines
- 14. was a theater of operations that encompassed at its greatest extent the entire frontier between the Russian Empire and Romania on one side
- 16. a leader of the Progressive Movement, was the 28th President of the United States (1913-1921)
- 18. machine guns, tanks, aircrafts, chemical weapons were used on a massive scale
- 19. was a secret diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico if the United States entered World War I against Germany.
- 21. a very successful group or party of the Russian Revolution that was led by Lenin and Trotsky
- 23. primary treaty produced by the Paris Peace Conference at the end of World War I.
- 25. resulted in a significant upheaval in the lives of Palestinians
- 26. 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
- 27. used largely for reconnaissance, to observe enemy troop movements and spot artillery, and to obtain photographs and motion pictures.
Down
- 1. were a proposal made by U.S. President Woodrow Wilson in a speech before Congress on January 8, 1918, outlining his vision for ending World War I
- 2. heir presumptive to the throne of Austria-Hungary. His assassination in Sarajevo is considered the most immediate cause of World War I.
- 4. ceasefire that ended hostilities between the Allies and Germany on the 11th of November 1918
- 5. Argentina, Chile, Denmark, The Netherlands, Norway, Spain, Venezuela, Sweden and Switzerland
- 8. were levied on the Central Powers after World War I to compensate the Allies for some of their war costs.
- 9. 400-plus mile stretch of land weaving through France and Belgium from the Swiss border to the North Sea
- 10. secret agreement between Germany, Austria-Hungary, and Italy
- 12. was an international organization, headquartered in Geneva, Switzerland, created after the First World War
- 13. When the entire resources and population are mobilized towards the war effort,which takes priority over everything else
- 15. intense form of patriotism or loyalty to one's country
- 17. presumptive to the throne of Austria-Hungary. His assassination in Sarajevo is considered the most immediate cause of World War I. South Slav nationalist who assassinated Archduke Franz Ferdinand
- 20. support proletarian internationalism, socialist democracy and oppose anarchism, fascism, imperialism and liberal democracy.
- 22. wartime military alliance of Germany, Austria-Hungary, Bulgaria and the Ottoman Empire
- 24. diplomatic and military agreement between France, Great Britain, and Russia