Common good means for the good of the public or the many. One example of a scenario of contributing to the common good is that a person follows the laws of the country like traffic. It is a common good because following the rules will give order thus contributes to the common good while not following the rules only served the person own's interest.
A high inflation rate is most difficult for people of a low socio-economic standing. The reason for this is the fact that people which a low socio-economic standing have the lowest income and for that reason, the amount of money which they're receiving gets lowered through inflation.
The correct answer is “D”. Both country and state have the law of popular soveirgnty