Final answer:
Tenochtitlán was uniquely situated on an island in Lake Texcoco, which led to impressive Aztec engineering, including canals and chinampas for agriculture, and sophisticated city planning with the Templo Mayor as the focal point.
Step-by-step explanation:
Tenochtitlán's unique location on an island in Lake Texcoco led to remarkable Aztec engineering feats. The city was strategically built on a marshy lake with a symmetrical layout that divided it into four sections, with the renowned Templo Mayor situated as the centerpiece. In a landscape where solid land was scarce, the Aztecs employed innovative methods to sustain their burgeoning population, building canal systems for irrigation and creating artificial agricultural islands known as chinampas.
These engineering marvels facilitated transportation and greatly boosted agricultural productivity. Furthermore, the connecting causeways made of stone and the extensive infrastructure, including public buildings, gardens, and markets, showcased an advanced understanding of city planning, surpassing that of many contemporaneous European cities. The grand Templo Mayor stood at the heart of it all, as both a spiritual and administrative hub, signifying the Aztec's might and devotion to their deities.