The Prisoners' Dilemma Exercise Suggests That

The prisoners' dilemma exercise suggests that

A) even when all countries would benefit from trade liberalization, political dynamics trap governments in a protectionist world.
B) even when all countries would benefit from protectionism, political dynamics trap governments in a liberalization world.
C) even when no countries would benefit from trade liberalization, political dynamics trap governments in a protectionist world.
D) even when no countries would benefit from protectionism, political dynamics trap governments in a liberalization world.
E) trade liberalization and protectionism benefit all countries equally.