On April 6 1917, America officially joined the ally power in the world war one after upholding it's policy of neutrality for about three years.
Explanation:
As the German aggression increased during the world war 1, the American stance of neutrality decreased and they eventually entered the world war one because Germany blamed much of Britain's actions on the United States which facilitated it's revaluation of neutrality policy.
Him and his friend were sent home for organizing student-lead protests and manifestations. This foreshadowed his devotion to activism and wanting to do what he could to make a change that was important to him.