What was the most important accomplishment of Chandragupta?

Chandragupta Maurya's most important accomplishment was the establishment of the Maurya Empire in ancient India around 322 BCE. He successfully unified various smaller kingdoms, creating one of the largest empires on the Indian subcontinent. This unification laid the foundation for subsequent rulers, especially his grandson Ashoka, to further expand and promote governance, trade, and cultural exchange across the region. His reign marked a significant transition in Indian history, moving towards centralized administration and greater political stability.