Easy answer. It is D. Only problem was that though the Woodrow Wilson proposed the idea the US never joined therefore no country actually listened to the decisions the LoN made.
Answer:
todo está en wikipedia solo busca la era de Rivada, ¡espero que esto te ayude!
Delaware, Pennsylvania, Massachusetts, New Jersey, Georgia, Connecticut, Maryland, South Carolina, New Hampshire, Virginia, New York, North Carolina, and Rhode Island
hope that helped <3
