How did the congress try to pressure south Africa into changing its apartheid system?

The U.S. Congress sought to pressure South Africa to dismantle its apartheid system primarily through economic sanctions and legislative measures. In 1986, the Comprehensive Anti-Apartheid Act imposed sanctions, including bans on new investments, trade restrictions, and the withdrawal of U.S. government support for South Africa. This bipartisan effort aimed to isolate the apartheid regime economically and politically, thereby encouraging reform and promoting human rights. Additionally, Congress supported international diplomatic efforts to encourage negotiations for a peaceful transition to democracy.