RESEARCH 833920 First battle of Ypres 1914

The German offensive in France was halted at the Battle of the Marne, leading to the abandonment of the Schlieffen Plan and the start of trench warfare. The German soldiers initially wore leather helmets, which offered little protection, prompting the development of steel helmets by both the French and Germans. The Ottoman Empire joined the war on the side of Germany and Austria, hoping to regain dominance in the Black Sea region. However, their offensive against Russia failed, and the Ottoman government blamed the Armenians for military setbacks, leading to the Armenian Genocide, where nearly a million Armenians were killed with German knowledge.

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