Answer:
I think it was because they were being forced to change their religion. Also because of the Urdu-Bengali controversy.
I'm Pakistani so when I learnt of this I literally died of shame of my history...
Explanation:
Shipping lanes due to the ocean all around it
In order to answer this question, you only need to know in which country does the Darfur region lie- and the answer is Sudan. This is also the correct answer to this question
The two countries that Sudan split into are Sudan and South Sudan.(South Sudan has been very unstable since the separation).
2, 3, and 5 is the answer, good luck with your work :D