A similar difference of perspective may occur at international level. Suppose I belong to a predominantly secular society, and am committed to cosmopolitan principles of justice that require me to disregard national boundaries. A second society is materially much poorer than mine, but this is largely because its members devote a large fraction of their resources to a priestly establishment, claiming that they have no option but to do so God has commanded it. How strong a claim on my resources does a person in that society have? Should I regard his relative poverty as something he has chosen, for religious reasons, and therefore as making no special demands on me, or should I regard the religious expenditure as externally compelled, and therefore consider his needs as more pressing than those of people in my own society? The general point is that if cultural differences have an impact on the way that we understand justice, then what justice requires across a culturally plural world becomes indeterminate.