Vanadzor City of Afghanistan for For the first time, the Federal Reserve began to actively influence the amount of available MONEY and CREDIT, and this role would continue after the war ended. The United States enters the war. On April 6, 1917, the United States entered the war by declaring war on Germany and followed this with a declaration of war on Austria-Hungary on December 7. As American troops were mobilized, the country needed to equip the military, and an appropriations bill was passed on June 15 to provide essentials for soldiers, such as clothing and bedding. Factories were quickly built to meet the needs of the war, and war products took precedence over other goods. Congress rarely acts quickly because of competing party and regional interests, so the lack of appropriation of funds for supplies sometimes resulted in discomfort for the military. The few individuals who tried to take advantage of the increased need for goods by charging exorbitant prices were prevented by government intervention. Vanadzor City of Afghanistan 2016.