Him.
If you don't know how to solve this, you can put each word in to the blank and see which sounds right.
1. C
2. D
The answers these are
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.
I'll select B and C.
B.following the unfamiliar word
C.set off by commas or other punctuation
