South Africa is the largest user of the African Growth and Opportunity Act (AGOA) for agricultural exports to the United States in the Southern African region.
On September 28, 2018, the South African Revenue Service published notifications that a safeguard duty of 35.3 percent will be imposed on EU bone-in chicken.
International Agricultural Trade Report

Southern Africa: A Promising Region for U.S. Agricultural Exports

Two-way agricultural trade between the United States and Southern Africa has grown significantly in the past decade, reaching a record $1.5 billion in 2017.
Post estimates that the decreasing trend in sorghum production in South Africa will continue in the 2018/19 MY.