to make a slave or slaves of; reduce to or as if to slavery: to enslave a people; enslaved by drugs.
hope this helps
It would be C. is, it makes more sense saying "it is" and not "it are" or "it am"
I agree. there will always be struggles but as long as you stay positive and keep moving forward, tomorrow will be better
Anybody, nobody, somebody etc (-body)
We need the passage to help