The reasons why the Anasazi (Hisatsinom) left this site are uncertain, but drought, climatic change, or depletion of natural resources are the most likely explanations.
(the Anasazi; left; T:this site) (The reasons why the Anasazi (Hisatsinom) left this site; are; uncertain) (drought, climatic change, or depletion of natural resources; are; the most likely explanations)
the Anasazi The reasons why the Anasazi (Hisatsinom) left this site drought, climatic change, or depletion of natural resources
left are are
T:this site
uncertain
the most likely explanations