Answer:
C
<em>Hope that helps!</em>
Explanation:
<span>The Allies might attack Germany on the French side because the Germans had no troops at that border.</span>
<span>A small group of people. The idea of an oligarchy is that a select handful of people essentially form all of the power over a body of people. It's almost like a dictatorship only with a couple more people added to the top of the chain rather than just an individual. The citizens abiding under an oligarchy have no say or voting power in the process or ruling.</span>
Because you could just sit in your trench and wait for the opponent to attack, at which point you could shoot him, throw explosive devices, or even use chemical weapons that weren't banned then.