I believe the answer is c.
The Rosetta Stone was found by accident in 1799 when the soldiers in Napoleons army were digging the foundations to a fort close to the town Rashid in the Nile Delta.
The Rosetta Stone is an important artifact because it is the key to understanding the Egyptian heiroglyphs.
Made government less centralized
Answer:
The aim of both archaeology and history is the research of the human past. The difference between these two disciplines derives from the source materials: historians use written sources while archaeologists concentrate on physical remains. ... Archaeology is challenging results made by the historical research.