Question

how have the mountain passes been helpful to India since historic times explain

Answer 1

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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Answer 2

It has helped travelers and traders to move in and around India