Caves, i think is your answer. If not what are the choices?
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!
It convinced cubists that new art styles were needed to depict the modern world.
When you had to reload and someone was running at you, then you could have a great way to defend yourself. hope this helps, have an amazing day :)