Three Countries,X,Y,and Z Are Part of a Member Area Where

Multiple Choice

Three countries,X,Y,and Z are part of a member area where they have eliminated all barriers to trade such as tariffs,quotas,and non-tariff barriers like border restrictions,while at the same time keeping their own external tariffs against nonmembers.Such an area could be described as a(n) _____ area.

A) regional
B) spatial
C) open trade
D) embargo
E) free trade