FTP, identify this leader who thus fomented the Boxer Rebellion of 1900.
The day before her own demise, she had her nephew poisoned to death and requested that his fate be announced to the nation.  Following the death of Hsien-feng [shen-FANG], she was appointed regent for the six-year-old, T'ung-chih [chee].  By plotting with Prince Kung, she would head a triumvirate and dispose of the boy, who was succeeded by her nephew, the Kuang-hsu emperor.  As a conservative she led a coup against the modern reforms that followed Chinese defeat in the Sino-Japanese War.  FTP, identify this leader who thus fomented the Boxer Rebellion of 1900.
The day before her own demise, she had her nephew poisoned to death and requested that his fate be announced to the nation.  
the Dowager Empress or Tz'u-hsi [su-SHEE] or Yehonala