"unpopular" . "German treaty territory in Shandong to Japan" . "Shandong Peninsula to be returned to China" . "claim to Shantung" . . "Shandong Problem" . "receive territories in Shandong" . "keep territories" . "who considered the province within their sphere of influence" . "German concession in Shandong" . "Shantung Problem" . . . . . "be returned to China" . . "rights over Jiaozhou Bay" . . "concession" . "Japan return Shandong" . "Japanese-occupied Shandong" . "Japanese-Chinese Shantung Agreement" . . . . . "Shandong" . . "Shandong Problem" . "Shandong Treaty" .