Answer:
Merchants of the Mauryan Empire used the Khyber Pass to travel through mountains. The Khyber Pass is a mountain pass in the northwest of the Indian subcontinent, located on the border between Pakistan and Afghanistan. It was an important trade route during ancient times, connecting the Indian subcontinent with Central Asia and the Middle East. The Mauryan Empire, which existed from 322 BCE to 185 BCE, was one of the largest and most powerful empires in ancient India. Its merchants used the Khyber Pass to transport goods such as spices, textiles, and precious stones to and from Central Asia and the Middle East.