The Rosetta Stone was discovered in 1799, and had the same decree written in Egyptian Hieroglyphics, Ancient Greek and demotic script. Since we already knew Greek, we were able to translate the hieroglyphics.
Answer:
economic instability, social issues, formation of the infamous Mafia..
Explanation:
The aforementioned economic instability also propagated several social issues throughout the provinces of Italy, which led to numerous challenges in achieving unification. One difficulty faced in Sicily after Italian unification was the formation of the infamous Mafia.