Answer:
Demographic transition
Explanation:
Demographic transition theory: The term "demographic transition theory" is described as a theory that tends to analyze on the changes in the death rate and the birth rate and is consequently dependent on the populations' growth rate. However, along with the "economic development," the tendency of death rate and the birth rate is considered as different.
In the question above, the given statement represents the demographic transition theory.
i have no clue but if i had to guess i would have to say the answer is D
When workers refuse to to work in large numbers, this is called a labor strike, or just strike. Union workers use the pressure of their importance to the production of a company to try to persuade their employers to come to the negotiating table, and to give them leverage in negotiations.
Invasions by Barbarian tribes. The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders.
