Fill in the blank with the most appropriate idiom:
The politician's speech was full of vague promises but ultimately it was just ______.
Show answer & explanation
Correct answer: C
Explanation
The idiom 'smoke and mirrors' refers to something that is intended to make people believe that something is better or more important than it is, through the use of tricks or by hiding the truth. This fits the description of a politician's speech full of vague promises that ultimately lacks substance.