Answer:
For transactions they used seals as coins, some of which depict a prototype of the god Shiva. Dravidians had an advanced city culture more ancient than the Aryans, who, as Indian legends tell and some dispute, invaded India from central Asia in several waves around 1500 BCE.
Explanation:
The acquisition of Guam in the Spanish-American War affected US
trade by allowing the US to increase trade with China.
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I think the answer is A
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A i believe if im wrong then :( im sorry