Answer:b. prevented Japan from having or using an army.
The withdrawal allowed Germany to make great gains on the Western Front.
D because it is the language of European civil war
They both were located in peninsula (an island surrounded by water on all sides). It was a great location because it provided water to survive, the attacks were limited since barbarians had to take ships in order to get there, great trade since they had ship routes all over the rivers/oceans.