With regard to flashbulb memories, what does it mean to say that an event has "consequentiality"?

Select one:

a. That the event affected the personal lives of individuals within the community in which it occurred.
b. That the event altered the course of history as we know it.
c. That the event remembered brought rewarding or punishing consequences to the subject's behavior.
d. That the event can be manipulated via video technology to alter how it is perceived.