Multiple choice Historically, what is the most reliable passage through the Spin Ghar Mountains? Khyber Pass Cumberland Gap Mana Pass Khardung La Reveal answer Fill a bubble to check yourself A Correct answer Explanation The Khyber Pass is a mountain pass connecting Afghanistan and Pakistan, historically serving as a vital trade and invasion route through the Spin Ghar mountains. The other options are located in different regions (e.g., USA or India).