 He also became a wealthy landowner and merchant, owning as many as sixty black slaves.In 1784, he negotiated the Treaty of Pensacola with Spain, recognizing Muscogee control over of land claimed by Georgia, and guaranteeing access to the British firm Panton, Leslie & Co. which controlled the deerskin trade, while making himself an official representative of Spain.In 1786, a council in Tuckabatchee decided to wage war against white settlers on Muscogee lands.