Your question belies the answer! Terrorism!
terrorism
States like Nazi Germany and Stalinist Russia which used terror systematically to intimidate and control their citizens are called "totalitarian". The answer is not "terrorism" which does use terror to intimidate people but is not a system. More of a technique.
Terrorism
Means she likes you and is being seductive, or she's trying to intimidate/threaten you into doing something! xx
I am filled with terror
The word "browbeat" has a negative connotation. It means to intimidate or bully someone into doing something by using harsh or menacing language.
by making as domesday book , building castles, creating a feudal system and using terror
Mary Jane felt terror when she heard a mysterious noise in her basement.
Police using their power to terrorize citizens using unjust force.
It is possible that the individual threatening to sue is using extortion as a means to achieve their goal. Extortion involves using threats or coercion to obtain something from someone else, often money or other benefits. If the threat of a lawsuit is being used to manipulate or intimidate someone into giving in to their demands, it could be considered extortion.
Immunostimulation means using substances to stimulate the immune system.
The public execution using the guillotine.