Protectionist Legislation Is Often Passed Because

Protectionist legislation is often passed because:

A) ​employers in the affected industry lobby more effectively than the workers in that industry.
B) ​both employers and workers in the affected industry lobby for protectionist policies.
C) ​trade restrictions often benefit domestic consumers in the long run, though they must pay more in the short run.
D) ​it helps to keep domestic prices at a relatively lower level.