Select the most appropriate meaning of the given idiom.

Kill two birds with one stone

To achieve two things by doing a single action

The most appropriate meaning of the idiom "kill two birds with one stone" is to achieve two things by doing a single action.

The other options are incorrect.

• "Make peace after an argument" does not mean to achieve two things by doing a single action. Making peace after an argument is about resolving a conflict.
• "Face several problems at a time" does not mean to achieve two things by doing a single action. Facing several problems at a time is about dealing with multiple challenges.
• "Act cordially despite conflict" does not mean to achieve two things by doing a single action. Acting cordially despite conflict is about being polite and friendly even when you disagree with someone.

The idiom "kill two birds with one stone" comes from the idea of killing two birds with a single stone. In the same way, to kill two birds with one stone means to accomplish two things with a single action. For example, you might say that you killed two birds with one stone by volunteering at a soup kitchen and meeting new people.