For discussion at class level. However, a brief answer is given below:

It is quite natural amongst human beings to have differences of opinions amongst themselves. But I think fighting should be the last resort to settle the differences of opinions. There are so many ways to resolve the differences, for instance, these can be done by mutual negotiations and discussions. This is also true about the different nations who have differences. Instead of resorting to war, they should go for amicable negotiations. War can prove too destructive in modern times.