Final answer:
Ancient slavery was based on indebtedness, status of one's parents, and race. Bad luck was not a criteria for ancient slavery.
Step-by-step explanation:
Ancient slavery was not based on the criteria of bad luck. Slavery in ancient times was often based on factors such as indebtedness, the status of one's parents, and race. For example, in ancient Greece, slavery was primarily based on either being captured in war or being born into slavery.
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