The U.S. government has removed preferential tariff rates for imports from Cameroon due to that country’s “persistent gross violations of internationally recognized human rights”. The African Growth and Opportunities Act may have helped the 30.4% year over year surge in imports to the U.S. from Cameroon in the 12 months to Aug. 31. While that meant exports reached $237 million, only 3% of Cameroon’s exports were shipped to the U.S. Shipments of crude oil and oil products represented 60.4% of U.S. imports from Cameroon in the past 12 months, with the largest shippers including Vitol, Luko...