Hello!
A colonial society have to adapt to another land, native culture, weather and nutrition. The new society give the chance to social ascention and to the formation of a new economic and political elite. So, in a colonal society we have new ways to survive.
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C) The Vedic calendar
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The 2nd & 3rd options
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Answer: C. They have acted as an obstacle between the eastern and western sections of the state.
Explanation: I did the k12 test so that's how I know! :) ;)
D. Clay Tablets would be the correct answer.