Which of the Following Is a Feature of a Common

Which of the following is a feature of a common market?

A) Absence of a common external trade policy with regard to nonmembers
B) Allows free movement of factors of production between member nations
C) Establishment of barriers to the free flow of goods between member nations
D) Lack of administrative machinery to oversee trade relations with nonmembers
E) Requires the use of a common currency among member nations