<span>-He describes the extreme rituals that people hold in America which he introduces his topic, ritual activity, "the focus" of which is the human body, the appearance and health of which looms as a dominant concern in the ethos of the people.</span>
The United States has one. China is becoming mixed after being strictly communist.
I believe the answer is: D. incubation.
Incubation refers to the process where a certain individual do not focus their mind on correct goals which eventually reduce their overall productivity.
Even though the process of incubation already introduced for a long time, we still haven't found a concrete proof that explain why it happened.