Answer: Sea of Japan, Yellow Sea, East China Sea, South China Sea
Well, I think that in principle, every war is inevitable until it happens - perhaps, if the fall of the Iron Curtain had resulted in war we'd be calling it "inevitable" now. The war was however very predictable at the time, indeed due to the alliances. In fact, Otto von Bismark had long before seen the potential for war in Europe, due to the national conflicts and strong alliances, as seen in his quote: "One day great war will come out of some foolish thing in the Balkans"
Europeans didn't use maritime routes before the age of exploration because they feared that the muslims controlling Portugal and Spain made maritime routes unsafe together with the fact that they didn't have the required ships and navigations skills to travel around Africa to Asia
Title: Number of hours you are online vs. days of the week.
Vertical axis title: Hours online
Horizontal axis title: days of the week.
Hope this helps!