Answer:
They were meant to instruct the people.
Explanation:
These plays were about the bible, saints, or sometimes just about a situation where it's shown the correct path to be taken when choices seem ambiguous. Those plays were meant to teach others how to act and how to be moral and good.
Yes, but when using a comma the 2nd part of the sentence typically can't stand alone. On the other hand, semicolons are used to connect two related sentences that can stand alone.
The answer is Of all the party guests, who was the last to arrive. Hope it helps :)