Answer:
d
Step-by-step explanation:
there are 4 stages of business cycle
- peak (boom)
- contraction (recession)
- trough (depression)
- recovery (expansion)
during the trough or depression period every country even the developed ones experience decrease in investment, employment, output, income and price.
I mentioned those above points because every country experiences these 4 stages of bussiness cycle thus it will not give a way to zero unemployment.