The most accurate statement regarding how geography influenced the development of civilizations in India is:
People were able to travel over the Khyber Pass to reach India.
The Khyber Pass served as a crucial trade route and a point of entry for various peoples and cultures into the Indian subcontinent, facilitating cultural exchange, trade, and migration, which significantly impacted the development of Indian civilizations. The other options either misrepresent geographical features or their effects on civilization.