Based on fact, and explains how ideas connect.
If we say simple predicate, this only refers to the main verb that is used in the sentence. So based on the given sentence above, the simple predicate is the word "arrived" and this is the main verb which describes the subject which is "nurse". Hope this answers your question.
I believe It's A) How easily does violence happen in society, If you put into thought we can't really live in peace without chaos. It's that balancing beam to keep one end off the ground to be able to live today.
"All men are created / born equal" is probably the best quote because it implies equality and all men are seen as the same in the eyes of God. This "condemns" slavery because it suggests there is no superiority/inferiority to others.