United States actions in the Boxer Rebellion proved that:
O
A. It would use force to promote United States business interests.
B. It would protect Chinese who accepted missionaries.
O
C. It would use force to make European powers respect open trade.
D. It would protect the rights of Chinese to come to the United
States.
SUBMIT

It would use force to promote United States business interests.

Explanation:

The actions of the United States and other countries that participated in the Boxing Rebellion resulted in the regulation of China's trade status. China, after the military intervention, had to pay enormous damage to all countries whose interests were threatened.

Also, their privileges in China have been greatly expanded. After the uprising, the influence of Chinese authorities "in the eyes" of the public also declined.