Answer:
5th option
Explanation:
Tenochtitlan
Tenochtitlan (also spelled Tenochtitlán), located on an island near the western shore of Lake Texcoco in central Mexico, was the capital city and religious centre of the Aztec civilization
<span>The dominant social system in medieval Europe, in which the nobility held lands from the Crown in exchange for military service, and vassals were in turn tenants of the nobles, while the peasants (villains or serfs) were obliged to live on their lord's land and give him homage, labor, and a share of the produce, notionally in exchange for military protect</span>
Perhaps show us the 4 possible choices, so we can tell you which is the conflict/struggle? This is a bit of an issue, not a great proof-read question...