The United States played a significant role in World War I, joining the conflict in 1917 after years of neutrality. The U.S. provided crucial resources, such as troops, supplies, and financial aid, helping to tip the balance in favor of the Allied Powers. Additionally, the U.S. played a leading role in negotiating the Treaty of Versailles and joined the newly formed League of Nations. Overall, the U.S. involvement in World War I marked a shift towards becoming a global superpower.
