A. To hide evidence
B. To end a conflict and make peace
C. To postpone a decision
D. To prepare for battle
The idiom “to bury the hatchet” means to resolve a disagreement or conflict and make peace with someone. It originates from a Native American practice of literally burying a hatchet as a symbol of peace. Therefore, “to end a conflict and make peace” is the correct meaning of this idiom.
The correct answer to the question: "What does the idiom “to bury the hatchet” mean?" is "To end a conflict and make peace".