Nigeria, April 9 -- The United States has criticised Nigeria's longstanding import ban on 25 product categories, warning that the policy undermines American exporters and blocks access to one of Africa's largest consumer markets.

The complaint came as part of a new campaign launched by the Office of the United States Trade Representative (USTR), following President Donald Trump's announcement of sweeping new tariffs targeting China's industrial overcapacity.

"In honour of @POTUS' historic trade action," the USTR said in a post on X, "we are spotlighting another 10 unfair trade practices faced by American exporters."

Leading the list was a symbolic grievance showing that more than 100,000 Chinese-made American flags are sold each month ...