Answer: Early on in the history of the city the Aztecs built causeways and canals for transportation to and from the city.
Explanation: A causeway is a raised road that allowed the people to easily travel over the swampy and wet areas. There were three major causeways that led from the island city to the mainland.
The opposing powers in a proxy war use others to fight on their behalf. Meanwhile in a traditional war the opposing powers directly fight on their own behalf.
I am pretty sure it is D but it could be A, sorry if I am wrong.
Answer:
answer D: The number of male athletes taking part in school sports has dropped over time.
Explanation:
