American Catfish Farmers Mounted an Aggressive Offensive Against Imports of Catfish

Multiple Choice

American catfish farmers mounted an aggressive offensive against imports of catfish from Vietnam, which have increased by over $40 million in four years. As a result of the offensive, US consumers must pay about 50 percent more for catfish imported from Vietnam. What are most likely used to make sure that Vietnamese catfish was selling at a price comparable to US-bred catfish?

A) tariffs
B) boycotts
C) export duties
D) countertrades