Which of these countries was not a member of the Triple Alliance?
The Triple Alliance was between Austria-Hungry, Italy and Germany. The opposite was called the Triple Entente which was comprised of Britain, Russia and France. For more information, see this link: http://wiki.ask.com/Triple_Alliance_%281882%29.
The Triple Alliance was an alliance of Austria-Hungary, Germany, and Italy. It lasted from 1882 to 1914. To learn more about the Triple Alliance, see: http://www.ask.com/wiki/Triple_Alliance_%281882%29.