Answer:
a strong military is the right one
A. With too many elders, the population would be without necessary amount of labor to supply the needs. Encouraging women to work and raise children, the government would obviously have more wealth because women would be working and they would also have a plan for the future, which are the children, that in whitin a while would have the appropriate age to work and be in the market.
You need to consider the costs of obtaining the goods and it's effect on the environment and locals.<span />
A. General social patterns.
Sociology is the study of social structures/patterns and how they influence societal stratification (separation).