when did the us join world war ii
1941
title: United States in World War I text: United States in World War I The United States declared war on Germany on April 6, 1917, more than two and a half years after World War I started. A ceasefire and Armistice was declared on November 11, 1918. Before entering the war, the U.S. had remained neutral, though it had been an important supplier to Great Britain and the other Allied powers. The U.S. made its major contributions in terms of supplies, raw material and money, starting in 1917. American soldiers under General of the Armies John Pershing, Commander-in-Chief of the American Expeditionary Force (AEF), arrived at the rate title: United States in World War I text: Republican Warren G. Harding. Notes References United States in World War I The United States declared war on Germany on April 6, 1917, more than two and a half years after World War I started. A ceasefire and Armistice was declared on November 11, 1918. Before entering the war, the U.S. had remained neutral, though it had been an important supplier to Great Britain and the other Allied powers. The U.S. made its major contributions in terms of supplies, raw material and money, starting in 1917. American soldiers under General of the Armies John Pershing, Commander-in-Chief of the American Expeditionary title: History of United States foreign policy text: materials. The United States officially entered World War II against Germany, Japan, and Italy in December 1941, following the Japanese surprise attack on Pearl Harbor. This time the U.S. was a full-fledged member of the Allies of World War II, not just an "associate" as in the first war. During the war, the U.S. conducted military operations on both the Atlantic and Pacific fronts. After the war and devastation of its European and Asian rivals, the United States found itself in a uniquely powerful position due to the lack of damage to its domestic industries. After 1945, the isolationist pattern title: American entry into World War I text: issue. Its declared decision on 31 January 1917 to target neutral shipping in a designated war-zone became the immediate cause of the entry of the United States into the war. Five American merchant ships went down in March. Outraged public opinion now overwhelmingly supported Wilson when he asked Congress for a declaration of war on April 2, 1917. Historians such as Ernest R. May have approached the process of American entry into the war as a study in how public opinion changed radically in three years' time. In 1914 most Americans called for neutrality, seeing the war a dreadful mistake title: World War I text: the sinking of seven US merchant ships by submarines and the publication of the Zimmermann telegram, Wilson called for war on Germany on 2 April 1917, which the US Congress declared 4 days later. The United States was never formally a member of the Allies but became a self-styled "Associated Power". The United States had a small army, but, after the passage of the Selective Service Act, it drafted 2.8 million men, and, by summer 1918, was sending 10,000 fresh soldiers to France every day. In 1917, the US Congress granted US citizenship to Puerto Ricans to allow them to