The framers of the United States Constitution based our federal government on federalism. ... Federalism has evolved over the course of American history. Some important events have shaped the balance between the national and state governments so that federalism best suits the needs of the country at that time.
Most ancient religions were polytheistic (they believed in many gods). But the worship of one god (Monotheism) made Judaism unique.
Your answer would be C. The worship of a single god rather than many gods.
I hope this helps!
In which time period exactly?
The silk road ran along the borders of the Han empire