Which group did the US eventually side with in worlds war I?

The United States eventually sided with the Allied Powers in World War I, which included countries like the United Kingdom, France, and Russia. The U.S. entered the war in 1917, primarily in response to unrestricted submarine warfare by Germany and the Zimmermann Telegram, which proposed a military alliance between Germany and Mexico. American involvement helped to bolster the Allied forces and contributed significantly to their victory in 1918.