Answer: Zoroastrianism taught belief in one divinity only.
Explanation:
Zoroastrianism is referred to as or known as one of world's oldest religion which is still practiced. It is mostly centered around the dualistic cosmology of evil and good and the eschatology which tends to predict an ultimate conquest of the evil with the theological elements and factors of the monotheism/monism, henotheism and polytheism.
