Question

how have mountain passesbeen helpful yo India since historic time​

Answer 1

Answer is that when any foriegn outsider wants to visit India from the western Asia mountain passes were the only options for increasing trade and culture.....and sometimes such passes took much time also to prevent any terror also .....hope it helps you

Answer 2

Answer:

The various mountain passes across the Himalayan range and other mountains in the north have provided passages to travellers since ancient time. The land routes via mountain passes have contributed in the exchange of ideas and commodities since historic times.