Woodrow Wilson believed that if Germany and the Central Powers won World War I, it would ultimately have negative repercussions against the other countries, not just the United States. To prevent the Central Powers from winning the war, the United States’s joined the allied powers. There are many other reasons as to why the U.S. joined the allies, but the main rationale behind joining the war was to stop the unregulated submarine warfare. When Germany sunk the RMS Lusitania, that sent the United States into joining the war. The Lusitania was a British cruise liner carrying passengers and supplies from New York to Britain. The ship was carrying not only civilians, but also rifle cartridges and non-explosive shell casings. A German U-boat torpedoed
