What caused the Great War? Historians still debate the questions involved. How did the conflict start? Was it a case of small mistakes escalating into a conflict that no one really wanted, or was the war an unavoidable consequence of deep conflicts? Why did it become stalemated? Why could it not be terminated? Most ominous of all, could it happen again? The war began in 1914 between two coalitions. The "Central Powers" comprised the German and Austro-Hungarian Empires, later joined by the Turkish (Ottoman) Empire. The "Allies" included the British, Russian and French Empires, Japan, and Serbia.<ref>Italy was originally a Central Power, but remained neutral in 1914 and joined the Allies in 1915.</ref> The powers had vast overseas empires in Asia, Africa and the Western Hemisphere (including Canada) that were active participants. | What caused the Great War? Historians still debate the questions involved. How did the conflict start? Was it a case of small mistakes escalating into a conflict that no one really wanted, or was the war an unavoidable consequence of deep conflicts? Why did it become stalemated? Why could it not be terminated? Most ominous of all, could it happen again? The war began in 1914 between two coalitions. The "Central Powers" comprised the German and Austro-Hungarian Empires, later joined by the Turkish (Ottoman) Empire. The "Allies" included the British, Russian and French Empires, Japan, and Serbia.<ref>Italy was originally a Central Power, but remained neutral in 1914 and joined the Allies in 1915.</ref> The powers had vast overseas empires in Asia, Africa and the Western Hemisphere (including Canada) that were active participants. |