C. The Three Gorges Dam
was built to control the devastating effects of flooding in China.
The answer is: Conspicuous Consumption
Conspicuous consumption is the type of consumption that is not made to fulfill your basic needs to survive, it's made for sophistication or to increase your social status.
Jetting off to a remote destination for dinner is definitely very inefficient if the sole purpose is only to absorb necessary nutrients to your body. Sophistication or social status would most likely become the factors in such dinner activity.
Well, if your asking about what were the main internal causes of Roman's Empire decline, it was because the Western Empire later separated from the wealthiest Eastern part and they also had trouble with outside invasions.
