According to media reports , the " look and leave " policy only created a chaotic situation , as vehicles lined more than 10 miles of Interstate 45 out of Houston and the city became overwhelmed with returning evacuees . ( The Galveston Daily News reports the policy will be reinstated on Sept. 24 .

Question: What is the reason for the 10 mile back up on the interstate ?
Answer: Looting caused the backup .None of the above choices .The back up was caused by poor police activity .A snowstorm caused the backup .