For 10 points, name this tribe which was led by Osceola and was forced by the Treaty of Payne's Landing to give up their native land in Florida.
Historical leaders of this tribe include Caesar Bruner and Dosar Barkus, the namesakes of two of its fourteen itÃ¡lwa. Dembo Factor served as an advisor to a leader of this tribe nicknamed "Gopher John" who became an officer in the Mexican Army after joining with Wild Cat to organize an exodus from Wewoka. Only Ransome Clarke and Joseph Sprague survived an ambush by this tribe on a U.S. Army column commanded by Francis Dade. This tribe conducted a guerrilla campaign led by (*) Billy Bowlegs, the nephew of Micanopy. Frederick Weedon preserved the head of a chief of this tribe who Thomas Jesup captured under a flag of truce. The executions of Alexander Arbuthnot and Robert Ambrister took place during a war between the United States and this tribe that included the destruction of the Negro Fort. For 10 points, name this tribe which was led by Osceola and was forced by the Treaty of Payne's Landing to give up their native land in Florida.
Historical leaders of this tribe include Caesar Bruner and Dosar Barkus, the namesakes of two of its fourteen itÃ¡lwa.
Seminoles [accept  Black Seminoles before "Joseph Sprague" is read]