Answer:
D. Dumping
Explanation:
Overview
It is a business policy at which foreing company's sale a product way below their normal domestic cost. Dumping is prohibited if threatens to hurt the country's economy to later take the market. D
It is considered an unfair and not loyal competitive strategy. Negative effect of dumping is that countries tries to apply more protectionism to trade making more difficult ot the domestic firms to compite with the foreing one.