D. Olmec
They were around the same time as the Shang Dynasty.
<span>C "Every Bill which shall have passed the House of Representatives and the Senate shall, before it become a Law, be presented to the President of the United States; if he approve he shall sign it, but if not he shall return it". This sentence describes how laws are made in the US and is the only one which relates to the concept of the "rule of law".</span>
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.