Respuesta :
Answer: the other answer was incorrect the right answer is : all of these were factors
Answer:
The correct options are all.
Explanation:
The decline of Sumer was caused due to various accumulated reasons;
- The fields of Sumer became saline due to which the harvesting and cultivation got poor.
- The yields from agriculture started to fall due to drainage problems which created drought and flood situations.
- Finally, the war situations intensively grew in the state that all together affected their population level.
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