What was the effect on china of the boxer rebellion

It led China to the verge of collapse.

Explanation:

The Boxer Rebellion (1899 - 1901) was an anti-imperialist, anti-foreign, and anti-Christian riot against the dynasty and the Westerners who had a privileged status in China during the Qing dynasty. It led to war between China´s Empress, Dowager Cixi, who supported the Boxers, and the Eight-Nation Alliance of American, Austro-Hungarian, British, French, German, Italian, Japanese, and Russian troops.

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.