Answer:
Campaign
Explanation:
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A. <em>They believed in many gods.</em> The main evidence from Olmec's religious system come from their art, mainly from sculptures of what are supposed to be their gods, named <em>Gods I-X </em>by Peter D. Joralemon (researcher to the Olmec's culture); apart from the figures that could be the gods themselves, no evidence of any organized religious practice have been found.
Well, after the ending of American Civil War it mean that a lot of cotton exports from America were available once more. There was also a competition in the global market, to supply cotton and that's why it helped keep down the price after 1865