Breaks in which of the following led to the flooding of new orleans during hurricane katrina?

a. sea walls

b. groins

c. levees

d. barrier roads

Hurricane Katrina was formed in August of 2005. On 29th of August, there was failure of over 50 levees and floodwalls which provided protection to New Orleans and its suburbs. This caused flooding in majority parts of New Orleans causing vast amount of water to flow in and caused damage to builidings.

Therefore, the correct answer to this question is:

Option c. Levees