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
Mayan languages only past and non-past, while Mam has only future and non-future. Aspect systems are normally more prominent. Mood does not normally form a separate system in Mayan, but is instead intertwined with the tense/aspect system. Kaufman has reconstructed a tense/aspect/mood system for proto-Mayan that includes seven aspects: incompletive, progressive, completive/punctual, imperative, potential/future, optative, and perfective. Mayan languages tend to have a rich set of grammatical voices. Proto-Mayan had at least one passive construction as well as an antipassive rule for downplaying the importance of the agent in relation to the patient. Modern K'iche' has two antipassives: one which ascribes focus