Answer:
The Templo Mayor
Explanation:
Tenochtitlan was the capital city and centre of the Aztec Empire. The city founded in 1325 and served as the centre until it conquered by Spanish in 1520. The city was built on a swampy island in Lake Texcoco with pyramids, palaces, and storehouses.
The Templo Mayor represent a religious building worshipping gods Huitzilopochtli and Tlaloc. It was a religious and cultural heart of the Aztec empire. Coronations and sacrifices made in the temple to appease the gods. The Aztec practised rituals that required human, especially the heart of a human being. The human sacrifice became vital to ensure agricultural productivity along to win military conquests.
The Kecksburg UFO incident occurred on December 9, 1965, at Kecksburg, Pennsylvania, United States in North America, when a fireball was reported by citizens of six U.S. states and Canada over Detroit, Michigan and Windsor, Canada
it´s not from google btw, I searched on bing
World War I killed more people (9 million combatants and 5 million civilians) and cost more money ($186 billion in direct costs and another $151 billion in indirect costs) than any previous war in history
I hope that this helps you