Analysis on Roosevelt’s announcement of war against Japan Speech The background is that Europe was caught in the flames of World War II at that time, but the United States still didn't want to be involved in the war .The US only took an oil embargo on Japan and hoped that dissuade the invasion of Japan through negotiations,. But Japan decided to take a pre-emptive strategy.On December 7, 1941, Japan sent naval and air troops to strike the American naval base in Hawaii - Pearl Harbor. The whole speech was divided into three parts. The first part is to present and clarify the Pearl Harbor event, to reveal the conspiracy of Japan, and to justify the following declaration of war, making it necessary and just to fight; the second, to condemn Japan’s atrocity to America and to the world; the third, to encourage the American people to be confident in their righteous might to win through the victory and declare war on Japan formally. In the first part .It explained clearly that the time and nature of the whole event at the beginning of the speech . It depicted the Japan’s crimes vividly and reflected Japan's cattiness iconically .After the bombing of Japan's air force at the U.S. military base , the Japanese can still regard as nothing had happened incredibly and submitted the reply to the US quietly .It indicating the shameless and the sneaky and deceitful nature of Japan.So the people of the United States not only had a clear understanding of Japan's insidious, but also increased the hatred of Japan. The strategy is the pathos. To reach the goal of justifying the participation of the war, this speech is supposed to appeal the audience emotions deep in heart, to be exactly, arouse their sentiments and pathos. The different tones can help to build the audience’s feelings. In that sorrowful moment, the tone of the speech is solemn and serious but it turns