1. should the rich have to pay a greater portion of their income in taxes than the
poor? why or why not?

It is believed that the rich who had received more from the society are required to give back. It is considered to be just and ‘fair’. But a few Governments force the rich to pay heavy taxes which were considered to be immoral.  

So imposing a Flat Tax is considered to be the fair means. Prejudicial ratio of taxes for the poor is considered to be the chief disadvantage under this tax system. The Rich had amassed much wealth which means that they have used the system and its amenities to make the most out of it.

Traditionally progressive tax system was followed by the Americans but the system got eroded today as many millionaires are paying fewer taxes when compared to others.  

the answer wold be b) travel among nations should be regulated by an international organization

the correct answer that would best complete the given statement above would be option b. expanding civil services. diocletian and constantine paved the way for foreign invasion by dividing the empire, creating administrative bureaucracies and reorganizing the military, except for expanding civil services. hope this answer .

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explanation: