Dioceses of the Church of the East to 1318 to represent them. None of these four dioceses is mentioned again, and it is not clear when they lapsed. By the end of the 5th century there were at least three East Syriac dioceses in the Sassanian province of Media in western Iran. Canon XXI of the synod of Isaac in 410 foreshadowed the extension of the metropolitan principle to the bishops of Beth Madaye and other relatively remote regions. Hamadan (ancient Ecbatana) was the chief city of Media, and the Syriac name Beth Madaye (Media) was regularly used to refer to the East Syriac diocese of Hamadan as well
Economy of ancient Tamil country a large amount of internationally convertible Roman currency. The state played an important role in building and maintaining infrastructure such as roads and ports—funded through taxation—to meet the needs of economic and social activity. Wealth was unequally divided among the people, giving rise to distinct economic classes. Agriculture was the main occupation of the ancient Tamils and the most respected. Farmers were aware of different soil types, the best crops to grow and the various irrigation systems suitable for any given region. In the five geographical divisions of the Tamil country in Sangam literature, the Marutam region was the most