Question

New Orleans is surrounded by a series of levees and floodwalls. Why were these structures built?

A. to make transportation easier
B. to protect the city from floods
C. to purify the river water
D. to provide irrigation for agriculture

Answer 1

B. to protect the city from floods

Step-by-step explanation:

it's in the name, new orleans usually floods very easily during hurricane sason because the city is submerged and uses the floodwalls to decrease the amount of water.