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1.  Flamethrowers-  Flame throwers were made by Richard Fiedler and submitted to the German army.

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assassination of arch-duke Franz Ferdinand is one of the other causes of world war 1. The assassination of Ferdinand led to Austria-Hungary declaring war on Serbia. When Russia began to mobilize to defend its alliance with Serbia, Germany declared war on Russia.

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imperialism is one of the four causes of the world war 1. several European countries had made competing imperialistic claims in Africa and parts of Asia, making them points of contention. The increasing competition and desire for greater empires led to an increase in confrontation that helped push the world into World War I.

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A major cause of the war was the Germans great pride and nationalism. The Germans thought they were superior to everyone leading to the creation of the Nazis. This idea of superiority would only lead to their downfall in the end.

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A second cause was their increase in military. Their armies continued to grow in size. The armies also continued to stock up in weapon causing the surrounding countries to worry.

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1.  Flamethrowers-  Flame throwers were made by Richard Fiedler and submitted to the German army.
2. Poisonous gas-  both sides used poisonous gas and had devastating results.
3. pilot-less drones-  used for bombing up form the sky to land in the trenches.
4. Aircraft carriers- The first time an airplane was launched from a moving ship was in May 1912, when commander Charles Rumney Samson piloted a Short S.27 pontoon biplane from a ramp on the deck of the HMS Hibernia in Weymouth Bay.

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WWI ended with a vast amount of casualties. The overall amount casualties was around 40 million people including casualties. The exact amount of civilians that perished was about 10 million. Throughout the war there were 20 million men within the military that perished.

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key battle 1 The Second Battle of Ypres.

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key battle 1 The Second Battle of Ypres.

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the battle was fought from 22 April – 25 May 1915 for control of the strategic Flemish town of Ypres in western Belgium. The First battle of Ypres had been fought the previous autumn. It was the first mass use by Germany of poison gas on the Western Front. It also marked the first time a former colonial force defeated a European power in Europe

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After the war the treaty of Versailles  was signed. Everyone was angry and blamed Germany. Europe wanted to punish Germany with 30 million dollars worth of reparations. Germany ended up being divided into 3 parts.

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key battle 4 The Battle of Passchendaele

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key battle 4 The Battle of Passchendaele

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also known as the Third Battle of Ypres, was a campaign of the First World War, fought by the Allies against the German Empire.[a] The battle took place on the Western Front, from July to November 1917, for control of the ridges south and east of the Belgian city of Ypres in West Flanders, as part of a strategy decided by the Allies at conferences in November 1916 and May 1917.

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The Battle of Vimy Ridge was part of the Battle of Arras, in the Nord-Pas-de-Calais region of France, during the First World War. The main combatants were the four divisions of the Canadian Corps in the First Army, against three divisions of the German 6th Army.

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The Battle of the Somme, also known as the Somme Offensive, was a battle of the First World War fought by the armies of the British Empire and French Third Republic against the German Empire. It took place between 1 July and 18 November 1916 on both sides of the upper reaches of the River Somme in France.