The aggressive preparation of war was growing along with nations armies during the buildup to both World War I and World War II. This was due in part to nationalism.
From the question I don't know if this is right but I would say, something like. It might rain today because you can look up and see if it's going to you don't really need to argue it unless it's bright and sunny with absolutely no clouds, but under normal circumstances others won't test it.
