Answer: d) Quasi-Terrorism
Step-by-step explanation:
Quasi-terrorism is defined as the act of terrorism that is present without any ideology and ingredient of severe terror crime.It is partially similar to terrorism as the method and functioning is done in same way as actual terrorist manner.It is only carried to invokes sense of fear and terror in victim's mind.
Other options are incorrect because politics, constricted political field and official terrorism is not the criminal act that includes terrorism intentions .This, the correct option is option(d).