<span>The Aztecs build canoes to move around the lakes and canoes. They also built retaining walls to keep some of the water at bay. The Aztecs also built floating gardens, like an island, to grow crops.</span>
Answer: New York City
Explanation: New York City has the busiest transit system in the United States. Their transit city is the busiest because NYC is ranked in the highest cities to use public transit systems as a means to get around. Due to the high population NYC is very busy and often overpopulated with locals and tourist that the cheapest and quickest way to get around is using the public transit system.