Select the most appropriate meaning of the given idiom.

Bury the hatchet

To settle disputes

The most appropriate meaning of the idiom "bury the hatchet" is to settle disputes.

The other options are incorrect.

• "To change the plans" does not mean to settle disputes. Changing plans means to make a new set of plans.
• "To make secret preparations to attack" does not mean to settle disputes. Making secret preparations to attack means to plan an attack without anyone knowing about it.
• "To hide something controversial" does not mean to settle disputes. Hiding something controversial means to keep it secret because it is considered to be offensive or harmful.

The idiom "bury the hatchet" comes from the idea of two people who have been fighting burying their hatchets, which symbolizes the end of the fight. In the same way, to bury the hatchet means to end a dispute and make peace. For example, you might say that two countries buried the hatchet and agreed to end the war.