Answer: FEDERAL INCOME TAX
Explanation:
The most likely tax that follows the principle that states that people should pay based on their ability is the federal income tax. This tax is progressive as the high income earners pay a higher percentage as tax when compared to he low income earners.
The sales tax and doctors license fees aren't progressive, as the rich and the poor all pay same amount. This doesn't align with the principle.
Although the people of the Byzantine Empire considered themselves Roman, the East was influenced by Greek culture, rather than the Latin of the West. People spoke Greek and wore Greek-styled clothing... The Byzantine Empire was influenced by the Hellenistic culture created by the conquests of Alexander the Great.
