The mountainous Khyber Pass connects which of the two following countries?

The mountainous Khyber Pass connects Afghanistan and Pakistan. This historical and strategic pass has been a significant route for centuries, serving as a gateway between Central Asia and the Indian subcontinent. It has been used for trade, invasions, and migration, making it a crucial link between the two countries. The pass stretches approximately 53 kilometers (33 miles) and is situated in the border region of the Spin Ghar mountains, providing a vital transportation and trade route between Afghanistan and Pakistan.