Hurry what happened at the chivington massacre? a. the native americans surrendered peacefully. c. the americans opened fire on the unarmed native americans. b. the native americans opened fire on the unarmed americans. d. the native americans and the americans reached an agreement through peaceful negotiations.

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