Why was the sun goddess so important to Japanese history?

The sun goddess, Amaterasu, is a central figure in Japanese mythology and Shinto belief, symbolizing the nation's identity and spirituality. She is considered the ancestor of the imperial family, which legitimizes their rule and connects them to divine heritage. Amaterasu's importance extends to cultural practices, festivals, and art, reinforcing her role in unifying the Japanese people and shaping their worldview. Her influence persists in contemporary Japan, reflecting the enduring significance of mythology in its cultural and historical narrative.