▁ 1 6 1 4 ▁to ▁sett le ▁it . ▁The ▁resulting ▁settlement ▁established ▁Born u ▁as ▁an ▁important ▁influence ▁over ▁Mand ara . ▁In ▁ 1 7 1 5 , ▁King ▁Bou kar ▁received ▁three ▁Muslim ▁mission aries ▁and ▁converted ▁to ▁their ▁faith . ▁The ▁Mand ara ▁would ▁largely ▁convert ▁to ▁Islam ▁over ▁the ▁next ▁ 2 0 0 ▁years . ▁Bou kar ▁also ▁ended ▁Born u ▁influence ▁in ▁Mand ara ▁when ▁he ▁defeated ▁a ▁Born u ▁expedition ▁som etime ▁in ▁the ▁late ▁ 1 8 th ▁or ▁early ▁ 1 9 th ▁century . ▁He ▁launched ▁further ▁con quest s ▁on ▁neighbour ing ▁groups . ▁ ▁Ful ani ▁j ih ads ▁Ful ani ▁her ds men ▁migr ated ▁into ▁the ▁territory ▁from ▁the ▁west ▁beginning ▁in ▁the ▁ 1 3 th ▁century . ▁The ▁earliest ▁of ▁these ▁settled ▁as ▁minor ities ▁in ▁pre - ex isting ▁population ▁cent res , ▁but ▁by ▁the ▁ 1 7 th ▁century , ▁Ful ani - only ▁settlement s ▁had ▁been ▁established . ▁A ▁conversion ▁to ▁Islam ▁only ▁strength ened ▁Ful ani ▁identity , ▁and ▁by ▁ 1 8 0 4 , ▁population ▁press ures ▁were ▁driving ▁Ful ani ▁her ds men ▁to ▁seek ▁new ▁territory ▁in ▁which ▁to ▁lead ▁their ▁cattle . ▁Us man ▁Dan ▁F odio ▁declared ▁a ▁j ih ad ▁in ▁what ▁is ▁now ▁northern ▁Niger ia ▁and ▁Cam ero on , ▁and ▁Mod ib o ▁Ad ama ▁led ▁the ▁charge ▁into ▁the ▁land ▁of ▁F umb ina , ▁which ▁included ▁areas