Not arguing against sanctions in general, but for South Africa, the collapse of the soviet union, which had been propping up the south african economy, played a more important role.<p><a href="https://reason.com/2013/12/06/did-economic-sanctions-help-end-aparthei/" rel="nofollow">https://reason.com/2013/12/06/did-economic-sanctions-help-en...</a>