Answer:
uniting China and building a bureaucracy of talent
Explanation:
The act of keeping something dangerous under control or within limits.
If you need an example think of quarantine the dangerous disease be Corona Virus and to keep it under control we are staying inside.
https://www.phrases.org.uk/bulletin_board/13/messages/886.html
This website will help you.
-Aruzi
Very interesting and also tough question. I'm not quite sure about..
Correct answers are C and D