ANSWER FAST: Which of the following was NOT an engineering feat found in Tenochtitlán, the Aztec capital?
Causeways connecting islands to the mainland

Streets and neighborhoods laid out in concentric circles

Chinampas, or manmade islands, to increase arable farmland

All of the above were found in Tenochtitlán.

All of the given options were found in Tenochtitlán.

Explanation:

Tenochtitlán was the capital city of the Aztec empire and one that did take some effort for the Spanish to take as it was a great architectural feat as an island in the middle of the water with its technology and sustainability.

The presence of man made islands there is well documented which created passages and some amount of arable land.

The causeways had also existed and could have been pulled away by mechanics.

There was also the city planning which was famously doe in concentric circles.

Thus all of the given options were present in the capital.

you didn't give any answers to choose from so i can't with this but, i do know something that the mexican government would be worried about and that is the wall that donald trump is currently trying to get up.

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. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.