How did the officers respond when they found the man preparing to throw a chair during the argument?

The appropriate response in a situation where an individual is preparing to throw a chair during an argument is to address the potential for escalating violence. Officers are trained to prioritize safety and de-escalation in conflict situations. Responding to the immediate threat posed by the individual preparing to throw a chair can include taking action to prevent harm to all parties involved.

Arresting the individual in this scenario may be justified by their intent to use an object as a weapon, which poses a clear risk of injury to others. This action also serves to reinforce the authority of law enforcement in maintaining order and safety in public spaces.

The other responses might not effectively mitigate the imminent threat. For example, separating individuals could be a valid tactical approach in some cases, but it may not be prompt enough to prevent an act of violence. Ignoring the situation poses a significant risk of escalation, and calling for backup could delay addressing the immediate danger. Therefore, arresting the individual is seen as a decisive action aimed at maintaining safety in a volatile environment.