What was the capital city of the Incan Empire, known as the center of its political and cultural life? Lima Cuzco Quito Machu Picchu None Which famous Incan site, now a UNESCO World Heritage site, is often called the "Lost City of the Incas"? Tikal Teotihuacan Machu Picchu Chichen Itza None Which Incan emperor is credited with greatly expanding the empire and establishing its golden age? Atahualpa Montezuma Pachacuti Tupac Amaru None Which agricultural technique did the Incas develop to farm on the steep slopes of the Andes Mountains? Slash-and-burn Crop rotation Terrace farming Hydroponics None What catastrophic event significantly contributed to the fall of the Incan Empire in the 16th century? A volcanic eruption Spanish conquest Mongol invasion Great Flood None Time's up
