Fill in the blank with the most appropriate word.

The minister gave an ______ that strict action would be taken against the culprits.

assurance

The most appropriate word to fill in the blank is assurance.

The sentence is about the minister giving a promise that strict action would be taken against the culprits. The word "assurance" means a promise or guarantee. It is the most appropriate word to use in this context, as it conveys the meaning of the minister promising that the culprits would be punished.

The other options are incorrect.

• Ambition means a strong desire to achieve something. This is not the right word to use in this context, as it does not convey the same meaning as "assurance."
• Insurance means a contract that guarantees payment in the event of a loss. This is not the right word to use in this context, as it does not convey the same meaning as "assurance."
• Admission means a statement that you accept something to be true. This is not the right word to use in this context, as it does not convey the same meaning as "assurance."