What is the name of the first african trading empire?

The correct answer to this question would be Ghana

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answer; i believe the two groups were irish immigrants and chinese immigrants;

1) the andrew carniage's purchase and renovation of skibo castle have been very good and auspicious for the local people of dornoch firth, scotland because this is a turistic attraction for many people who would want to know the castle, the local people would take advantage about this.

2) yes, it could.