What is the definition of the term, "aftermath"

the period of time during an event, particularly an event that has a big impact

the period of time after an event, particularly an event that has a big impact

the period of time just before an event, particularly an event that has a big impact

behaving in the same way over a period of time

having a mood that can change quickly and unreasonably

What is the definition of the word, "sensation"

something or someone that causes great excitement or interest

something or someone that is very strange

The word "phenomenon" means ___________.