Reagan didn't believe in economic sanctions, thinking they would hurt the very people they were trying to protect. That's not the same as supporting apartheid.
There is a mountain of evidence to support the notion that Reagan opposed apartheid whatever other faults he may have had. I'd have thought you would at least have the intelligence to read the post above and work out that nominating a black ambassador was a fairly obvious fuck you to Pretoria.
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You don't make responses because you don't have the intellectual capacity to respond. Like most corporate democrats you use every dirty trick under the sun to marginalize any dissenting viewpoint and then you express this astonishment when you find out the Republicans fight dirtier than you.