Zoroastrianism is one of the oldest monotheistic religions in the world. It was founded in Iran by the prophet Zoroaster 3,500 years ago. At one time in history, it was an extremely powerful religion; it even held the title of official religion of Persia from 600 to 650 BCE. However, in recent times its size has decreased significantly and it is now considered one of the smallest religions in the world. Zoroastrianism has an extremely extensive history. It is clear that other major monotheistic religions, particularly the Abrahamic religions, have borrowed from the very foundations of Zoroastrianism. Since it is one of the oldest religions to have a single deity, unlike the tens of hundreds of gods worshiped by Hindus and Greeks. Zoroastrianism is believed to be one of the first religions to use the idea of ​​heaven and hell. . It is also one of the first dogmas to use the idea that there is both good and evil in the world and that they balance each other out. However, Angra Mainyu, the devil, is not on equal footing with God. He is simply a force that attacks the world and causes everything we consider bad, such as disease and natural disasters. The term used to describe these two forces is called "cosmic dualism." BBC Religions explains this notion this way: “With cosmic dualism, we have life and death, day and night, good and evil. One cannot be understood without the other. Life is a mixture of these two opposing forces. “Basically, this means we need both sides of the coin to maintain global balance. The only big difference is that Zoroastrians believe that even death is brought about by Angra Mainyu. This is opposed to the three Abrahamic religions which believe that...... middle of paper ...... religion to remain important throughout Persia, this also caused some problems in the relations between the people and the church. Because it is centralized under one church, religion as a whole has begun to feel more oppressed and more like a tool used to make money. Over time, they simply began to demand more and more from average Persian citizens. This is a very similar event in the history of the Abrahamic churches, particularly the Catholic Church. It should be noted that the Catholic Church has always had a certain notoriety in certain areas of history. Throughout the 15th century, the Catholic Church was undoubtedly the largest Christian church. However, controversies began when the church began selling indulgences; for paying the church a certain amount, they were basically forgiven of any sin they had committed.