The answers are B, C, and D
They’re referred to as nomads.
The first monotheistic religion was Zoroastrianism. It was founded by the Persians around 2000 BCE. Linguistically, the books of Zoroastrianism have much in common with the Vedic texts, however the Vedic religion itself was polytheistic. Judaism and Christianity both emerged later, inspired by Zoroastrianism.
