Answer:
required by a legal, moral, or other rule; compulsory.
Explanation:
Try quite hard to makes the most sense, and I got it right on gradpush!
The first pair, fourth pair, and fifth pair can be used to contrast the careers of writers and editors.
(this goes for the picture u have put in. if you need me to choose from the text you listed i can also do that) Hope that helped, if you don't understand, you can comment below and i'll edit it.
A. because is would be universal