Answer:
I think it's Dhaka.
Explanation:
I did some research and found that Dhaka, also spelled Dacca, city and capital of Bangladesh. It is located just north of the Buriganga River, a channel of the Dhaleswari. Also, it is one of the most populous cities in the world.
Also, Sylhet is a city in eastern Bangladesh, <em>not</em><em> </em>the capital, and Jamalpur is a town in <em>India</em><em> </em>in the state of Bihar.
Hope I helped :)
Its false but i assume you already know it
The one that would not be considered external conflict would be D
