U.S. marines played a key role in defending the legations during the siege and also joined the multinational force that crushed the Boxers. After defeating the Boxers, the foreign powers forced the Qing to submit to a punitive settlement that included a huge indemnity ($333 million) to be paid to the foreign nations.
The society’s original aim was to destroy the ruling Qing dynasty and privileged Westerners in China. Anti-foreign forces who won control of the Chinese government persuaded the Boxers to end their fight against the dynasty and join them to destroy foreigners.
With the collapse of the Qing Dynasty, and the domination of Asian affairs by the Japanese Empire following their seizure of Manchuria in 1905, China slipped closer and closer to civil war with the development of the Nationalist movement in 1911