 banisa vyatireka oppandaala kaaranamgaa e kothha aardika vyavasthalu abhivruddhi chendhaayi ?
 paschima aafrikaalo , 1820 lalo atlantic banisa vyaapaaram ksheeninchadam stanika raajakeeyaalalo natakiya aardika marpulaku kaaranamindhi .  kothha prapanchamloo baanisalaku demanded lekapovadam ,  eurup mariyu americaaloo baanisatva vyatireka chattaanni pemchadam mariyu paschima african teeramlo british royale neevee perugutunna uniki kaaranamgaa banisa - vaanijyam kramamga taggumukam pattindhi ,  african rastralu kothha vatini sweekarinchelaa chesindi .  aardika vyavasthalu . 1808  mariyu  1860  Madhya ,  british vest african schwadron sumaaru  1,600  banisa noukalanu swaadheenam chesukundi mariyu andhulo unna  150,000  mandhi aafrikanlanu vidipinchindi .

 vaanijyaanni chattaviruddham cheyadanki british oppandaalaku angikarinchadaniki niraakarinchina african naayakulapai kudaa carya teesukobadindi ,  udaharanaku  1851 loo padaveechyutudaina  " lagos raju " ki vyatirekamga . 50  mandhi african paalakulatho baanisatva vyatireka oppandaalu kudurchukunnaru .  paschima aafrikaalooni athipedda shakthulu  ( asante confederacy ,  dahomi raajyam mariyu oyo saamraajyam )  maarpuku anugunamga vividha maargaalanu anusarinchayi .  paschimaphrika adhunika egumati vaanijyaaniki punaadhigaa nilichina pamail ,  cocoa ,  kalapa mariyu bangaram ruupamloe  " chattabaddhamaina vaanijyam "  abhivruddipai asante mariyu dahomi drhushti saarinchaaru .  oyo saamraajyam ,  anukulinchaleka ,  antaryuddhaalalo koolipoyindi .
 baanisalanu egumati cheyadanki badhuluga ,  african pamail ,  cocoa ,  kalapa mariyu bangaaraanni egumati cheeyadam praarambhinchindi .