Causes of World War 1 World War I was the result of leaders' aggression towards other countries which was supported by the rising nationalism of the European nations. Economic and imperial competition and fear of war prompted military alliances and an arms race, which further escalated the tension contributing to the outbreak of war. For Twenty years, the nations of Europe had been making alliances. It was thought the alliances would promote peace. Each country would …showed first 75 words of 453 total…

…showed last 75 words of 453 total…Russian second army at Tannenberg. September 1-October the Russians defeated the Austrians in the Battle of Lemberg. The Allies stopped the Germans in the first battle of Marne throught September 6-9. Germany failed to reached the English Channel on October 21 through November 17 in the first battle of Ypres. On October 30th the Turks joined the Central Power. That's how the war began and some of the main events of 1914, the first year of the war.