Christianity and Zoroastrianism

So the origins and foundation of Christianity is a branch of Judaism and before that the fathers of faith such as Abraham, Isaac and Jacob. So the point is who taught them about there being a God and one God and an evil thing Called Satan, which Zoroaster names something else in different language but the concept of evil remains. So the point is that people are looking for who influenced who, but if you really want to know, we have Adam and Eve telling their children their story. So it was them who told their children about one God and an evil or deception named Satan the serpent. Who was partly to blame and suffered a curse. Now people think that God did not speak to any of them, quite the contrary God would have spoken to them. Which is why Cain was singled out and people new that God had marked him for what he did. So these people were more in communion than we are today, since babel had not happened yet,so they had one language. They also lived longer since the spirit strived with them consistently, but God changed that after he said his spirit will not strive with them forever because they are flesh, so we see God stopped striving with us and told us our time was now 120 years. When the spirit strives it means that it fights your conscience your whole being to do what is right, and what gives life. Like we see today we don't have much of that, people are quick to get drunk and drive, without thought for the others well being.Back then it wasn't like that , they lived long lives, until ofcourse God stopped striving with them. So we see that this led to a downfall. Back than they knew truths they sacrificed to God without even having the commandments written out. However it was because of their constant disobedience that God stopped striving with them, though he fought with them to do what was right they did wrong, though he extended their lives by showing them mercy they still did wrong. that's when they were all killed in a flood, or else they would have lived longer,but God set out a command and it was done. Like wise Noah didn't reach his full age but died young compared to what he could have lived if God's spirit kept striving also with him. Today we seek to live long, but God is not striving with us anymore, but if he did we would live longer. So we see that when Noah repopulated the world everyone knew of God and his judgements, so it is no surprise they are other nations or tribes with similar stories to that of the bible. Since they were some tribes who got lost they could have than been confused by satan which we also have to remember has influence and twisted their understanding of what happened. I leave you with that. None influenced eachother they just learned from their fathers and God himself if they were prophets.