Why where physical geography and location important to the development of Indian civilization?
Physical barriers such as the Himalayas the Hindu Kush and the Indian Ocean made invasion more difficult.Hindu Kush provided routes into the Indian Ocean subcontinent. The Indus and ganges were the most important rivers in the indian subcontinent.
What impact did the Aryans have on India?
They made the caste system. The caste system influenced all social interactions and choices of occupation.
Why was the caste system central to Indian Culture.
The caste system was an unchangeble social group.