What does the idiom 'Bury the hatchet' mean?

Correct option is D

Option (d) is the correct meaning of the given idiom.
Bury the hatchet: to end a conflict and become friendly again; to reconcile after disagreement ( मतभेद/झगड़ा ख़त्म कर सुलह करना). The image is of literally burying a weapon to stop fighting, hence making peace.
Example: After years of rivalry, the two teams finally buried the hatchet and organized a friendly match.
Other related idioms and their meanings:
· Call a truce – to agree to stop fighting or arguing (युद्ध/झगड़ा विराम करना).
· Let bygones be bygones – to forget past offenses and move forward (बीती बातों को भुला देना).
· Make amends – to do something to correct a mistake or wrong (प्रायश्चित/सुधार करना).