Jerome is researching the importance of the Nile River for the ancient Egyptians. Which source would provide Jerome with the most useful information?

Jerome is researching why the Nile was important to ancient Egyptians, so the most useful source directly explains how the river affected their lives. The historical text connects the Nile to agriculture and transportation, two major ways it supported Egyptian society. The map and encyclopedia entry give geographic information, while the merchant’s inventory offers narrower evidence about trade.

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