Which was one major reason the United States entered World War I on the Allied side? A. Woodrow Wilson wanted to be a peacemaker. B. France invaded Germany and Germany was an ally of the United States. C. England violated the U.S. policy of neutrality. D. Germany attacked passenger ships and U.S. ships that carried supplies to the Allies.
The United States entered WWI on the Allied side because Germany used submarines to attack passenger ships and US ships that carried supplies to he Allies.
