Archaeology and the Book of Mormon hand, flourished in Mesoamerica during the Preclassic period, dating from 1200 BC to about 400 BC. The Olmec civilization suddenly disintegrated for unknown reasons, although archaeological evidence clearly indicates a definite Olmec influence within the Maya civilization that followed. Although the Olmec civilization ended, there are indications that some of the Olmec people survived and interacted with other cultures. While making allowance for the likelihood that Book of Mormon peoples migrated to Mexico and Central America, Joseph Smith nevertheless placed the arrival of the Jaredites in "the lake country of America", i.e., the region of the Great Lakes). No Central
Olmecs earlier Olmec writing system and Mayan writing, the matter remains unsettled. The Long Count calendar used by many subsequent Mesoamerican civilizations, as well as the concept of zero, may have been devised by the Olmecs. Because the six artifacts with the earliest Long Count calendar dates were all discovered outside the immediate Maya homeland, it is likely that this calendar predated the Maya and was possibly the invention of the Olmecs. Indeed, three of these six artifacts were found within the Olmec heartland. But an argument against an Olmec origin is the fact that the Olmec civilization had ended by