Causes of World War I <Tab/>World war I was the result of leaders aggression toward other countries, which was supported by the rising nationalism of the European nation. Economics and imperial competition and fear of war prompted military alliances and army race, which further escalated the tension contributing to the outbreak of war. The First World War was the irst war to use poison gas as a military weapon. Germans …showed first 75 words of 728 total…

…showed last 75 words of 728 total…France and created the Triple Alliance between Germany Italy and Austria in 1882. In exchange for Italy's agreement to stay neutral if war broke out between Austria and Russia, Germany and Austria would protect Italy from France. Russia and Austria grew suspicious of each other over conflicts in the Balkans in 1887, but Bismarck repaired the damage to his alliances with Reinsurance Treaty with Russia, allowing both powers to stay neutral if the other was at war.