Hurricane Katrina's devastating impact on New Orleans was largely due to many residents not evacuating before the storm. Factors like previous experiences with storms, socioeconomic barriers, and limited communication influenced their decisions. This lack of evacuation greatly contributed to the disaster's severity. ;
The chosen option is D: many residents had not evacuated. This lack of evacuation was influenced by previous experiences with storms, socioeconomic barriers, and unclear communication from authorities, which contributed significantly to Katrina's devastation.
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