Myths shape national identities and histories by serving as foundational narratives that establish a sense of cultural heritage. They often reflect a society's shared experiences, values, and aspirations, fostering cohesion among community members. National myths can enhance feelings of patriotism and belonging, while also acting as vehicles for morality and ethics. Through storytelling, these myths articulate the struggles and triumphs of a people, constructing a collective identity that binds individuals through shared histories and common goals.