Final answer:
A "total war" is a war in which a society uses all its resources to win. During most of World War I, Germany fought a "two front war".
Step-by-step explanation:
A "total war" is a war in which a society uses all the military and civilian resources it has in order to win. It involves the complete mobilization of a nation and all its resources, both military and non-military, towards the war effort. Examples of total wars include World War I and World War II.
During most of World War I, Germany fought a "two front war". This means that Germany was simultaneously fighting against enemies on both its eastern and western borders. Germany was fighting against Russia on the Eastern Front and against France and Britain on the Western Front.
Learn more about Total war and Germany's two front war