Is greek mythology made up

Answer 1

In a way, yes. Mythology is what a culture defines itself by. In that way, Greek mythology was to the Greeks what The Bible is to modern Christians. It was the religion that they held dear. In most ways, it was very similar to the religion of Rome in the time of Jesus. It is a collection of stories that define what is held to be important to the culture and gives "reasons" for the natural occurrences that we face- earthquakes, floods, rain, sunshine, the beginning of the world, etc.