The earliest flood protection measures taken in New Orleans were levees built after a flood in 1717.
Flood is the natural calamity which is caused due to overall of the water from the rivers as a result of the heavy rainfall in the area.
Levees is the artificial wall built on the sides of the rivers in order to block the movement of the water over the land areas.
Therefore, it can be concluded that following a storm in 1717, the first flood control measures implemented in New Orleans were levees.
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