id	keyword
american_scientific_journal-3002	hausa
american_scientific_journal-3002	bamenda
american_scientific_journal-3002	region
american_scientific_journal-3002	traders
american_scientific_journal-3002	north
american_scientific_journal-3002	hausa traders
american_scientific_journal-3002	cameroon
american_scientific_journal-3002	author
american_scientific_journal-3002	west
american_scientific_journal-3002	settlement
american_scientific_journal-3002	area
american_scientific_journal-3002	grassfields
american_scientific_journal-3002	north west
american_scientific_journal-3002	british
american_scientific_journal-3002	nigeria
american_scientific_journal-3002	west region
american_scientific_journal-3002	town
american_scientific_journal-3002	abakpa
american_scientific_journal-3002	cattle