Answer:
its B
d is wrong i just got it wrong
Explanation:
The president of the United States
When young people migrate from a rural area which probably already is suffering from a low birthrate, this effectively eventually can create a "lack of life" in a certain place where after a decade or a few decades, a certain rural area can actually die out due to not enough young people being there anymore.
The answer to your question is D.
I want to say the afican Americans