It could be a variety of answers some examples could be something relating to the technology, or the advancements of this time period. Anything relating to that would be fine!
Because they knew that Germans could sink any ship they want. They could sink civilian ships. Back then, the only way to travel long distances was by boat, because passenger airplanes had not been invented. The Germans could now sink them if they wanted to travel somewhere, so they either risk their life or not go on trips.
In muslim society social groups were based on religion
Answer:
Explanation:
well a lot to be honest. As you may know war mainly has one of these goals. land, goods ( economic gain), religion there's more but these are the most common. And to be honest since nothing was won from this war there was no sole reason for it so either way no side would have won and that's why it was a failure on both ends.