The Recovery and Rebuilding Efforts on the Texas Gulf Coast

The recovery and rebuilding efforts on the Texas Gulf Coast due to Hurricane Harvey's devastation will require years. Many volunteers and companies have temporarily moved into the area to provide help. To provide housing for workers for these organizations, entrepreneur Stu Lester developed Temp-Lodging Corporation. Stu's business opportunity was created as a result of

A) a technological discovery.
B) demographic changes.
C) an economic dislocation.
D) a calamity.
E) government initiatives and rule changes.