Answer:
i think its a. they wanted low cost of land
They built 11 mounds at Spiro near the Arkansas River.
Scholars played numerous roles in the beginning of the italian renaissance but perhaps the most significant is that they spread the ideas of the books that made everything possible.
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Buddhist monks from different cultures would share Sanskrit. It was also carried on trade routes was learned in universities in other lands. Later it was forced upon other nations that the Gupta Empire would conquer.
I hope this helped!! (:
