One social issue often facing developing countries is

D. very high population growth.

Explanation:

Struggling countries typically had lower Gross national product. Which mean the high population growth would not be accompanied by the development of wealth. This regularly compared with an increase in unemployment and starvation all across the country.

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.

b - those executed came from every social and economic class