 The Tiwanaku empire is believed to have dissolved around year 1000 AD when substantial food production ceased, and with it, the main source of power for the ruling elites dried up.The land was not inhabited again for many years after that.Between 1100 and 1460 AD the Aymaras developed a number of kingdoms in the region surrounding lake Titicaca, of which the Lupaca, Colla and Cana kingdoms were the largest.