U.S. Entry into the Great War

U.S. involvement in World War I

Why did we enter the Great War?

There were many reasons why the United States entered the Great War. A few causes were nationalism, militarism, imperialism, and alliances. This war lasted for four years. It was eventually known as World War I. The United States entered the war because of the U-Boats, Lusitania, Contrabands, and the Zimmerman Telegram.