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Germany began its world expansion in the 1880s under Bismarck's leadership, encouraged by the national bourgeoisie.
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In 1882, this alliance was expanded to include Italy in what became the Triple Alliance.
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With the launch of HMS Dreadnought in 1906, the British Empire expanded on its significant advantage over its German rivals.
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This greatly angered the Pan-Slavic and thus pro-Serbian Romanov Dynasty who ruled Russia and the Kingdom of Serbia, because Bosnia Herzegovina contained a significant Slavic Serbian population. Russian political maneuvering in the region destabilized peace accords that were already fracturing in what was known as "the Powder keg of Europe".
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In 1912 and 1913, the First Balkan War was fought between the Balkan League and the fracturing Ottoman Empire. The resulting Treaty of London further shrank the Ottoman Empire, creating an independent Albanian State while enlarging the territorial holdings of Bulgaria, Serbia and Greece.
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When Bulgaria attacked both Serbia and Greece on 16 June 1913 it lost most of Macedonia to Serbia and Greece and Southern Dobruja to Romania in the 33 day Second Balkan War, further destabilising the region.
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World War I was a military conflict that lasted from 1914 to 1918 and involved most of the world's great powers,assembled in two opposing alliances: the Allies (centred around the Triple Entente) and the Central Powers.
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This began a period of diplomatic manoeuvring between Austria-Hungary, Germany, Russia, France and Britain called the July Crisis. Wanting to end Serbian interference in Bosnia conclusively, Austria-Hungary delivered the July Ultimatum to Serbia, a series of ten demands which were deliberately unacceptable, made with the intention of deliberately initiating a war with Serbia.
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When Serbia acceded to only eight of the ten demands levied against it in the ultimatum.
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When the German Empire began to mobilize on 30 July 1914, France, sporting significant animosity over the German conquest of Alsace-Lorraine during the Franco-Prussian War, ordered French mobilization on 1 August.
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