Complex sentence: Bunyoro rose to power and controlled a number of the holiest shrines in the region, together with the lucrative Kibiro saltworks of Lake Albert; having the highest quality of metallurgy in the region made it the strongest military and economic power in the Great Lakes area.
Split into simpler sentences: Bunyoro rose to power and controlled a number of the holiest shrines in the region, together with the lucrative Kibiro saltworks of Lake Albert. Having the highest quality of metallurgy in the region made it the strongest military and economic power in the Great Lakes area.