A feud between Emperor Go-Daigo and the Kamakura shogunate sets the stage for a new phase of Japanese government, and a new shogun: Ashikaga Takauji!
the conflict between the leader 
of the Shogunate, Hojo,
el conflicto entre el líder
del shogunato, Hojo,
o conflito entre o líder do xogunato, Hojo,