I want to know the answer to the following question:
Why were the clean slate decrees useful to the rulers of Sumer?
All the background I'm provided with is that "According to Hudson, the purpose of these decrees was to prevent debts mounting to a degree that they threatened fighting force which could happen if peasants lost the subsistence land or became bondservants due to the inability to repay the debt.". Is that enough to answer the question?
Answer: yes