Question

how have the mountain passes been helpful to India since historical time

Answer 1

they have been very much helpful for india as whole trade of india take place through these passes only

Answer 2

Answer:

here is your answer , hope you like it...

Passes across the mountains in the north have provided passages to the ancient travellers.

(i) These routes have contributed in the exchange of idea and commodities.

(ii) The idea of Upanishads and Ramayana, the stories of Panchatantra, Indian numerals and decimal system could reach other parts of the world.

(iii) The spices, muslin and other merchandises were taken from India to different countries.  

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