The Rosetta Stone was important because it had inscribed on it the same thing written in three languages (these being Egyptian Hieroglyphs, ancient Greek, and Demotic). This was the key artifact to deciphering these three languages to better understand other cultural artifacts. Hope I helped.
they needed them to inscribe hieroglyphics
The Rosetta Stone was essential for scholars as it provided the key to deciphering Egyptian hieroglyphs, which had been lost to time before its discovery. It features a text in three languages: hieroglyphs, Demotic, and Ancient Greek, making it a crucial asset for linguists. This decipherment greatly enhanced understanding of ancient Egyptian culture and history.
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