What kind of propaganda occurs in 'Swing Kids'?​

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

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very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.