One of them was demilitarization of Germany and another was territorial losses.
The landmark case Plessey v. Ferguson was significant because "<span>It showed that racial segregation was constitutional</span>" since this remained the case until Brown vs. Board of Education overturned it.
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.