Doubt hangs over US-Africa trade treaty
8 August 2014 Last updated at 12:02 BST
A US-Africa trade treaty - the African Growth and Opportunity Act (AGOA) - helps to support jobs and investment in firms in a number of African countries.
But AGOA is due to expire next year, and there are concerns about its future.
From breadwinners in a garment factory in Lesotho, to car and oil exporters in larger African countries such as South Africa and Nigeria, the BBC's Lerato Mbele explores the possible effects should the treaty expire.