U. S. firms that produce sophisticated military hardware are prohibited from exporting that equipment to "unfriendly" governments, such as Iran. This complete ban on exporting sensitive technology to specific countries is an example of a (n) : A) import quota. B) boycott. c) tariff. D) embargo.

Answer: B) Boycott

Explanation: A boycott consists of refusing to buy, sell, or practice any other form of business or other relationship with an individual or company considered, by the participants in the boycott, as authors of something morally reprehensible. Sometimes the Spanish word "embargo" has been used internationally.