World War I: Contenders, Phases, and Aftermath
The Contenders
Initially, the primary participants were the countries of the Triple Alliance and the Triple Entente. The Triple Alliance, initially comprising Germany, Austria-Hungary, and Italy, was eventually limited to the Central Powers, with the Ottoman Empire and Bulgaria joining. Italy, despite its initial alignment, ultimately joined the Allies. The Entente, also known as the Allies, included Serbia, Belgium, Romania, Italy, Greece, Portugal, Japan, and the United States. Spain, Sweden, the Netherlands, Albania, and the Nordic nations remained neutral.
Phases
War of Movement (1914)
The initial phase saw the failure of the Schlieffen Plan, a German strategy to advance through Belgium and encircle the French army. The Battle of the Marne...