Answer:
to make certain that there will not be another world war or a conflict of such a massive scale in the world.
Moreover, it aimed to work as a negotiating force during political tensions and controversies among the imperialist nations at the time.
Explanation:
All I would know on this matter, is : America joined WWI because of the American lives being lost on Passenger liners such as the RMS Lusitania.
Answer:
Albania, Bulgaria, Czechoslovakia, the German Democratic Republic (East Germany), Hungary, Poland and Romania
President Lincoln was assassinated at the Ford Theatre :)
He wrote books and letters defending the Native Americans.
hope this helps