The environmental movement (sometimes referred to as the ecology movement), also including conservation and green politics, is a diverse scientific, social, and political movement for addressing environmental issues.
U.S. Entry into World War I, 1917. 1  On April 2, 1917, President Woodrow Wilson went before a joint session of Congress to request a declaration of war against Germany.
Americans entered the war in 1917 by declaring war on Germany. This was due to the attack on Lusitania, the unrestricted submarine warfare on American ships heading to Britain, and Germany encouraging Mexico to attack the USA. Lusitania. A British passenger ship that was sunk by a German U-Boat on May 7, 1915.