The fall of the Mauryan Empire is closely related to the death of Emperor Ashoka. After he passed away, the empire had trouble controlling their financial and economic issues. They also did not have the correct military to protect their empire, so this is how the empire fell.
The correct answer is pneumonia. Hope this helps.
They were trying to accomplish better working conditions and better pay for the field workers.
I believe the answer is: The establishment of sedentary village communities.