How Does Hurricane Katrina's Impact on the Gulfarea of the United

How does Hurricane Katrina's impact on the gulfarea of the United States use geography to plan for the future?

A) Developers in other cities near the ocean can use this event as an example tohelp prevent natural disasters from having the same impact.
B) Residents of the area can learn ways to be better prepared if a hurricane occurs again.
C) City engineers can try to create a better levee system to keep the city better protected.
D) All of the above