The best reason to support the United States in taking military action is to support democratic change.
A military operation refers to a state's or a non-state actor's organized military actions in response to a developing scenario.
These activities are intended to be a military strategy for resolving a conflict to the state's or actor's advantage.
Thus, the correct option is B. to support democratic change.
Learn more about military actions
https://brainly.com/question/9349049