What are three physical features that form boundaries of the mainland united states

Today, the a. caesar b. bishop c. pope d. tsar still heads the roman catholic church, which is centered on rome. there is no longer a byzantine emperor, but each country has its own a. governor b. patriarch c. prefect d. council to lead the eastern orthodox church there.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Why did separate government develop in ancient greece?