Answer:
Is there a D all of the above
Explanation:
If not than I think the answer is A
Sumerians were known for two inventions:
irrigation, that is bringing water to crops that would otherwise not have access to it
and writing: cuneiform, one of two first writing systems on earth (the other being hieroglyphs).
1)their education system is different from other countries
2)their languages differ according to territorial limits (meaning boundaries )
3)there are better social services compared to other countries
The government took control of oil resources.
Support them without the use of money or with comfort