My best guess would be, "B", "Grammatical conventions were much different then."
Answer: We need background information
Explanation: what are the events?
Answer:
either,neither,nor,or,and,both,not only,but also, and words like this.
this is supposed to make 2 things come togetheer an example of one in a sentence is
my mom and dog went to get me some icecream. see how it paired that sentence? here i hope this helps sorry if it gets a bit confusing
Explanation:
It Uses It Correctly. However You Could Also Use A Comma In It's Place.