What were Dowager Empress Cixi’s accomplishments during her reign? Choose three correct answers.

Cixi exercised power over the Qing Dynasty for about forty-seven years, first as regent for her young son, who was five when he became emperor. During her rule, she also supported efforts to modernize the Chinese military. She did not put down the Boxer Rebellion; her court supported the Boxers before the rebellion was defeated, and the Open Door policy was established by the United States.

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