What are the physical barriers that protected india and allowed the aryans safety?

Mountains like the himalayas and the bay of bengal and other bodies of water

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explanation:

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the answer that best explains what happened to george washington at fort necessity, pennsylvania is : washington was attacked by the french but was able to negotiate with them to peacefully end fighting. the battle took place on july 3, 1754. the battle is considered as being the start of the french and indian war.