Why is South Africa one of the most economically developed countries in Africa?

Since it is precisely in this country that industry is very widely developed, as well as mining, trade relations with other countries are developed.
South Africa – an industrial and agricultural country, which occupies one of the first places in the world in the extraction of gold, platinum, diamonds, manganese, chromium and antimony; there are oil refineries, ferrous and non-ferrous metallurgy plants, and engineering enterprises; tourism business is also developed

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