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
Proto-Mayan language Wastek to modern Wastek it can be seen that they were originally clusters of and a rounded vowel followed by a glide. For example the word for "vulture" which in modern Wastek is pronounced was written <nowiki><cuyx></nowiki> in colonial Wastek and pronounced . The Yucatecan languages have all shifted Proto-Mayan into in wordfinal position. Several languages particularly Cholan and Yucatecan have changed short into . All Cholan languages have changed long proto-Mayan vowels and into and respectively. Vowel length distinction has been lost in Q'anjob'alan-Chujean (except for Mocho' and Akateko), Kaqchikel and Cholan. Some languages have reduced the vowel length