A Degree,every Country Engages in Some Form of Protectionism

Multiple Choice

a degree,every country engages in some form of protectionism.Over the past 50 years however,this practice has diminished,in large part due to

A) an alignment of nations by ethnicity rather than geographical borders.
B) an increase in population and a decrease in resources.
C) the evolution of mass media.
D) the establishment of GATT.
E) an alignment of nations by political ideology rather than geographical borders.