Which ancient civilization took the most risks?

I need help on a question. It is asking for the civilization that took the most risks but I cant find anything!! Help! or:I need help on a question. I

I need help on a question. It is asking for the civilization that took the most risks but I can't find anything!! Help!

or:I need help on a question. It is asking for the civilization that took the most risks but I can't find anything!! Help!

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