Answer:
Their cultural beliefs were tales about the Greek Gods and poetry. In the text it states, "The stories in ancient Greek Mythology included tales of greek gods, historical and fictional heroes (Fictional is your key word for a myth; also known as fake), and the cultural rituals were important in the ancient Greek society." Another good detail is, :The lliad details the Trojan War battles and exploits of fictional heroes like Achillies, Hector, and Diomedes." This two examples show that they had beliefs of myths.