After the exit of Russia from the war, the US intervention in World War I shifted again tip the balance in favor of the allied powers. However, in the initial stages the contribution was mostly moral, due to the slowness with which American troops were deployed in Europe. Also regarding armaments American troops - with the exception of rifles - were fully equipped with English and French materials, whose factories were already producing armaments in surplus for its armed forces. Decisive from the start was the American contribution in terms of raw materials, food and merchant ships. In 1918 - when the deployment of the American Expeditionary Force was completed - the weight of the Pershing's armies proved decisive in breaching the German defenses.
The American intervention