What triggered China's 199-1901 Boxer Rebellion?
A. A prolonged famine that had killed thousands of Chinese
B. the presence of westerners
C. the imprisonment of university professors
D. the government's massacre of a village's peasants
A. A prolonged famine that had killed thousands of Chinese
B. the presence of westerners
C. the imprisonment of university professors
D. the government's massacre of a village's peasants