Wikipedia has another take on the mutiny..
As for nationalism I'm not one to actually promote such a thing...
Although the merits of each society cannot be overlooked.
Tribalism with respect to the Quran is not in itself a bad thing. I recall that the twelve tribes of Israel were all given there own place by Allah swt.
Although I am very ignorant on the matter.
...if I were asked to take sides then that is a choice..
Weather it is individual or departmental or governmental.
In most cases I know both parties.
On the subject of the Ottoman empire I found a recent thread on a decidedly shadey board..
I mean reddit :p
Repeated mentioning of nationalism makes it more relevant than my post.