Plant and animal kingdoms.
These are in both the systems.
Columbus main interest on the island was to find gold and turning the natives into slaves.
Explanation:
He first gained national attention when he led small groups of volunteers during the Bleeding Kansas crisis of 1856
One common social structure among ethnic groups in sub-Saharan Africa is segmentary lineage organisation. Segmentary lineage societies are characterised by the foremost importance of kin relationships in determining individuals' social and political allegiances, as well as their patterns of residence.