How was the aztec skill at engineering demonstrated in mesoamerica after
1300

The Aztecs use their engineering skills to:
•control the flow of water by building water controller and aqueducts, bringing fresh water to the city.  which later will be used as an irrigation method for their agricultural fields
•built artificial islands to create more farmland to feed the city
•built causeways to connect the city island to the mainland, so the transportations of goods to the city island will be more efficient

The correct answer would be : a system of classes that were organized like a pyramidi hope that this you !