The war extended and changed these two sides. Germany and its allies were known as the Central Powers: Germany and Austria-Hungary, later joined by the Ottoman Empire (Turkey plus the Middle East) and Bulgaria. The war quickly involved countries not part of the Triple Entente, so the opposing side was known as the Allies: Serbia, Russia, France and its Empire, Belgium, Montenegro and Britain and its Empire, including self-governing colonies like Canada and Australia. events country economic event or consenquences
