All of the following were associated with the Battle of Plamito Ranch EXCEPT:

Please help this is my last day of school and I really need a good grade to pass

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

i believe the answer is c