Answer:
"In 1900, in what became known as the Boxer Rebellion (or the Boxer Uprising), a Chinese secret organization called the Society of the Righteous and Harmonious Fists led an uprising in northern China against the spread of Western and Japanese influence there."
According to www.history.com/topics/boxer-rebellion
This is from history.com so I did not write this, and i hope this helps you! :)