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World War I (1914 – 1920)

World War I (1914 – 1920). Mr. Leasure Harrison Career Center Winter 2013. War Breaks Out Across Europe. After World War I broke out, the United States eventually joined the Allied side. This was the first time that the United States was involved in a European conflict. .

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World War I (1914 – 1920)

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  1. World War I(1914 – 1920) Mr. Leasure Harrison Career Center Winter 2013

  2. War Breaks Out Across Europe After World War I broke out, the United States eventually joined the Allied side. This was the first time that the United States was involved in a European conflict.

  3. Causes of World War I

  4. Causes of World War I • A single action, the assassination of the archduke, started World War I. • But the conflict had many underlying causes..

  5. Causes of World War I • The first major cause of World War I was IMPERIALSIM: • The European powers (Britain, France, Germany, and Italy) competed for colonies in Africa and Asia. • Because it had fewer colonies than Britain and France, Germany felt it DESERVED more colonies.

  6. Causes of World War I

  7. Causes of World War I • The second major cause of World War I was NATIONALISM: • Europeans were very nationalistic, meaning they had strong feelings of pride, loyalty, and protectiveness toward their own countries. • They wanted to PROVE their nation were the best!

  8. Causes of World War I • They placed their countries’ interest above all other concerns. • In addition, some ethnic groups hoped to form their own separate nations and were willing to fight for such a cause.

  9. Causes of World War I • The third major cause of World War I was MILITARISM: • The belief that a nation needs a large military force is militarism. • In the decades before the war, the major powers built up their armies and their navies.

  10. Causes of World War I • The fourth major cause of World War I were ALLIANCES: • In 1914, a tangled network of competing alliances bound European nations together. • An attack on one nation forced all its allies to come to its aid. ANY small conflict could become a larger way QUICKLY.

  11. Causes of World War I Central Powers Allied Powers • Austria Hungary • Germany • Ottoman Empire • Bulgaria • Serbia • Russia • France • Great Britain • Italy • Seven other countries.

  12. Causes of World War I .

  13. Stalemate in the Trenches

  14. Stalemate in the Trenches • When the war began in August, most people on both sides assumed it would be over within a few months. • With France as it’s goal, the German army invaded Belgium on August 4, 1914.

  15. Stalemate in the Trenches

  16. Stalemate in the Trenches • Despite stiff resistance, the Germans fought their way west into France. • They reached the Marne River about 40 miles from Paris. • Supported by the British, the French rallied and prepared to fight back.

  17. Stalemate in the Trenches • The First Battle of the Marne, in September 1914, stopped the German advance. • Instead of once side quickly defeating the other, the two sides stayed in the mud for more than 3 years.

  18. Stalemate in the Trenches • The solders were fighting a new kind of battle, trench warfare. • Troops huddled at the bottom of rat-infested trenches.

  19. Stalemate in the Trenches • They fired artillery and machine guns at each other. • Lines of trenches stretched across France from the English Channel to the border with Switzerland.

  20. Stalemate in the Trenches

  21. Stalemate in the Trenches • For more than 3 years, the battle lines remained almost unchanged. • Neither side could win a clear victory.

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