Final answer:
The Neo-Assyrian practice known as "calculated frightfulness" was intended to demonstrate the cost of rebellion, utilizing forms of torture as a warning against defiance.
Step-by-step explanation:
The purpose of the Neo-Assyrian practice now referred to as "calculated frightfulness" was b. to demonstrate the cost of rebellion. This tactic was used to instill fear and submission in potential or actual enemies by showcasing the severe consequences of resisting Assyrian rule. Forms of torture inflicted on conquered peoples served as a stark warning against defiance. Not only did this policy have the effect of discouraging resistance, but it also highlighted the might and power of the Neo-Assyrian empire, deterring others from considering rebellion.