 By 1410 the Chalca territory had developed into a loose confederation, divided into four, semi-sovereign domains.In the early 14th century the Mexica tribe of the Aztecs settled in nearby territory and began to build their city of Tenochitlan, now Mexico City.Over time, the Chalcas and Mexicas engaged in a number of ritual wars, known as "Xōchiyaoyōtl" or Flower Wars.