How did the international community respond to south africa’s policies in the 1980s? by refusing to buy south african goods by setting up a blockade around the country by threatening to declare war on south africa by negotiating treaties between different groups

The international community responded to South Africa's policies in the 1980s by refusing to buy South African goods.
Obviously, the world didn't agree with what South Africa has decided about its country and trade, which is why it wanted to change its policies for the better by boycotting its trade. They hoped this country would see their correct way of life.