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This is the great
city of Tenochtitlan, constructed on an island in Lake Texcoco. The city
is the large white spot in the middle of the map. You can see houses on
the edge of the island. The three white lines are the three large causeways
that connected the city to the mainland. Drawbridges were constructed
in the causeways, which could be pulled up to prevent people from getting
in or out of the city. The bridges were up on the night the Spaniards
tried to escape, so Cortés constructed a portable bridge to allow
them to leave, which worked until the Mexicas captured the bridge. To
overcome such difficulties in the reconquest of Tenochtitlan, Cortés
constructed thirteen large brigantines, or boats, which would allow the
Spaniards to take control of the lake, while they besieged the city and
deprived the Mexicas of food and water. |