When a number of countries agree to remove all trade barriers among themselves and at the same time charge a common tariff against non-member countries, it is known as
Answer: B
To see detailed solution to this question and thousands of other questions offline, download TestDriller SSCE. Practice rigorously for WASSCE, enjoy educational games, get chief examiners' reports, summary of WAEC literature books, compete with your peers, win prizes and more.