According to David, the Maya's view of their universe saw a ruler as having divine powers. Also in the text from Warfare in Ancient Mesoamerica by Payson D Sheets (AltaMira press, 2003) who argues that the collapse of the Maya civilization was a result of military expansion agrees with the view point that the rulers divine powers could influence the gods by by bloodletting sacrifices, essential for the proper functioning of the Maya society. Sacrifices in various forms like food and drink, human sacrifice in the form of captives needed to appease he gods for the purpose of receiving rainfall which led to a good crop harvest, and recovery from diseases. 2 Over a period, this unquestioned belief in the rulers wore thin, because of a series of natural disasters in the form of environmental factors like dense populations, famine, diseases, natural disasters like droughts, hurricanes, earthquakes which caused a lot of ecological stress that made agriculture almost impossible, leading to food shortages to an already overpopulated region.
In an attempt to salvage the situation of the Maya's, the rulers felt their powers were failing and the gods needed more blood sacrifices that led to expansive militarization for the purpose of capturing neighboring warriors who were offered as sacrifices to the gods, to take over antagonistic city states for the purpose of claiming new fertile agricultural land, because their land had been devastated by a combination of natural disasters that rendered their land unsuitable for agriculture. The only option that could keep the rulers in power and feed their assive population was to take land very scarce resources from neighboring states through violence in the form of war. The Maya's belief system could not hold up due to changes in environmental factors that were out of their rulers control, and this led to chaos in the form of wars and violence in desperation to turn their fortunes around. Environmental factors were the reasons that led to the excessive militarization that brought about wars, and brought about the collapse of the Maya civilization.