All of these terms are associated with the B) 1920's. This period is known as the "Roaring 20's"
Answer:
Spontaneous recovery
Explanation:
An individual takes a sweat inducing injection in a dark room. This act of sweating is an Unconditional Response to the Unconditioned Stimuli which is the Injection.
After some time, whenever the individual is in a dark room, he begins to sweat. This is now a Conditioned Response (Sweating) to a Conditioned Stimuli(The Dark room).
If after some time, this conditional response lessons and goes away, it is referred to as Extinction.
However, after a period of absence, if the Conditioned Response returns, it is referred to as Spontaneous Recovery.
The process by which a highly developed population's rate of growth will stabilize is called Demographic Transition. Demographic transition is a model that describes the change in population over time. It is the transition in the birth and death rates over the past two hundred years.
The Indian Removal Act of 1830
