纵观历史,大凡“君主”谢世之时,素有争权夺位之乱,却鲜有互敬互让之和,臣僚间乃至骨肉间均如此,概莫能外。然而,1928年6月,日本在皇姑屯炸死张作霖后,张学良与张作相互 Throughout history, when all the “monarchs” have passed away, they are vying with each other for taking the throne. However, there is little mutual respect and mutual accommodation, and there is no room for inter-bureaucratic and even flesh-and-blood relations. However, in June 1928, after Japan killed Chang Tso-lin in Huanggutun, Zhang Xueliang and Zhang Zuo mutually exchanged