This would be matrilineal, where the line of the mother was the relevant line, and not of the father: in order to be a king, one needed to have the royal mother and the father was irrelevant. The dynasty would be traced by the female line in this case (even if the kings were the rulers).
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B I think, slavery increased tons in the south because of Rice and other cash crops. The south was big on agriculture.
To freely practise their religion
His troops seemed to be in such an ugly mood.
I hope this helps. :)