What empire had a vast system of roads believed in reincarnation and performed surgery?

The ancient Indian Empire of the Maurya is known for its vast system of roads, which facilitated trade and communication across the region. This empire, particularly during the reign of Ashoka, promoted the belief in reincarnation as part of its Buddhist teachings. Additionally, ancient Indian medical practices included advanced surgical techniques, as documented in texts like the Sushruta Samhita.