 The Chinese government has offered no endorsement of such views.Some Chinese consider that it is enough to support their independence, with professor Zhou Yongsheng warning that Ryukyu sovereignty issue will not resolve the Senkaku Islands dispute, and that Chinese involvement would destroy China-Japan relations.Professor June Teufel Dreyer emphasized that "arguing that a tributary relationship at some point in history is the basis for a sovereignty claim ... [as] many countries had tributary relationships with China" could be diplomatically incendiary.