With its long-neglected , battered roads , Nigeria 's economy is highly dependent on air travel to move people between Abuja , the political capital , Lagos , the commercial capital , and Port Harcourt , the center of the oil industry that makes Nigeria the second-largest economy in sub-Saharan Africa .
Nigeria /location/location/contains Lagos
Nigeria /location/country/capital Abuja
Nigeria /location/location/contains Abuja
Nigeria /location/location/contains Port Harcourt
Nigeria /location/country/capital Abuja
Nigeria /location/location/contains Port Harcourt
Nigeria /location/location/contains Lagos
Nigeria /location/location/contains Abuja
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