Flashback.
Flashback is a literary tool used by authors in order to show readers something important that happened in the past of the character(s) life(ves).
How long did his trip there take?
All-star is the best example it shouldnt interrupt a word
Yes, you would need to put a comma right there.
Discrimination is when you treat someone in a disrespectful manner based on their age, sex, race, etc.
Age discrimination is when you disrespect someone based on their age.
For example, a cashier follows a teenager around the store because they believe they are going to steal something since they're young and naive. Or, not letting an elder in to a club because they're too old to dance.