sentences:  This term, in Nahuatl, was used by the Mexica to refer to the territory they dominated.According to some linguists, it means "near or surrounded by waters", probably in reference to Lake Texcoco, even though it was also the word used to refer to the world or the terrestrial universe (as when used in the phrase "Cem Anáhuac", "the entire earth") and in which their capital, Mexico-Tenochtitlan, was at the centre and at the same time at the centre of the waters, being built on an island in a lake.In September 1821, the independence of Mexico was finally recognized by Spain, achieved through an alliance of royalist and revolutionary forces.