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Two major alliances fought each other in World War I.Alliances are two or more nations who agree to work together, usually for defense. The two alliances in World War I were the Central powers and the Allied powers. The Centralpowers included Austria-Hungary, Germany, and the Ottoman Empire. The Alliedpowers included France, the United Kingdom, Russia, and, later, the United States.
Place the following events from World War I in order.
1914
Due to the alliances, the assassination of Archduke Franz Ferdinand of Austria-Hungary drew all the major powers of Europe into war.
Because the German blockade killed U.S. citizens, and because of other perceived threats, the United States entered the war as an Allied power.
Before World War I, many European nations were part of alliances. These alliances were meant to keep nations safe from being attacked.
As the war progressed, Germany declared a blockade against the United Kingdom, targeting both military and nonmilitary ships.