1st Opposing group of ww1
The allied forces was one of the two opposing groups of world war 1.The countries or states that were allies during the war were China, Poland, United Kingdom, France, British Empire, India, Kingdom of Belgium, Kingdom of Netherlands, Yugoslavia, Norway, United States, Brazil, Japan, Argentina,and United Nations.They were the ones that knew what was right or the best solution for the war. They were opponents of the central powers and they won at World war 1.
2nd opposing group of ww1
The central powers was the second opposing group of World war 1. The countries or states that are involved as the central powers are Italy, Ottoman Empire and Bulgaria, Other Movements, Armistice and treaties, Leaders, Austria-Hungary,German Empire, and Bulgaria. Of course for their luck they lost . But soon some countries changed for the allies in ww2 because they got convinced in ww1 that allies were going to win.