The phrase "It was used by the Roman Gladiators" does not describe the city of Teotihuacan.
The day that will live in infamy.
Political beliefs is a phrase used to describe what ones feelings are towards the answers given by politicians.
Manifest Destiny, to my knowledge, is not a phrase used or applied to the US legal system. For a discussion of this phrase as used to describe the expansion of the United States, see below link:
The battle at Lexington and Concord on April 19, 1775.
Analogy
head in the clouds
The phrase "It was used by the Roman Gladiators" does not describe the city of Teotihuacan.
The phrase used to express the conviction of settlers to rule as much of North America as they could was manifest destiny. This phrase and the meaning behind it was used to justify the war with Mexico in the 1800s.
Communication tools used to convey meaning, emotions, and ideas.
The final solution
A kenning
mondegreen
The phrase etiologic agent is used to describe where something originated. This phrase is most used when referring to someone who studies this affect.
A stock phrase used to describe a character is known as a character trope. These tropes can be helpful for quickly conveying certain qualities or characteristics of a character to an audience.
A phrase used to describe an idea or way of doing things that is common in a certain culture is called a "cultural trait."
To abdicate.