Why was trade vital to the time period pax romana?

The Pax Romana (pax is Latin for peace) was a prolonged period of peace in the Roman Empire that lasted for more than two centuries, from about 27 B.C. until around A.D. 180. During this time no other empire or military power achieved victory against the Romans.

ayatollah khomeini can best be described as the leader who declared iran to be an islamic republic.

barrio is a spanish word meaning neighborhood. in spain, several latin american countries and the philippines, the term is also used officially to denote a division of a municipality while a ghetto is a part of a city in which members of a minority group live, typically as a result of social, legal, or economic pressure. the term may have originally been used in venice to describe the part of the city to which jews were restricted and segregated.