<span>They built aqueducts that carried water from the hills to the city.</span>
In Aztec social hierarchy, people who are called "Serfs" are the ones expected to support the upper class. They belong to the lowest social class in the Aztec culture and required to do labors for the nobles. As for the Incas, "Commoners" (farmers, artisans, servants, etc.) are required to support the higher class for they do not practice slavery. Majority of Inca's population belongs to the commoner class.
<span>The correct answer for 1 is perform military services. Vassals would have to fight wars for you and help you when it came to defending from others. The answer for 2 is It strengthened the idea that a monarch's power was limited, not absolute. They did it by giving more freedoms to the nobles who could now avoid being prosecuted if they disobeyed the king. The correct answer for 3 is Holy Roman Empire. Frederick I Barbarossa was the first Holy Roman Empire. It wasn't the entire Italy but rather the northern parts of it.</span>
Arete becomes suspicious after she sees that he is wearing the clothes that the queen gave to Nausicaa.
