I made a post about that long time ago in 4chan.
My plan sounds great, doesn't it? I borrowed it from the old tricks the Americans played in the Middle East and Latin America. The great powers should hire me as a military strategist. I am actually quite good at making military strategies due to spending too much free time reading about historical wars and conflicts and also from playing Paradox games.
But I think China has no need to invade Mongolia, they're fine as a shared puppet state between them and Russia.
Although if relations between China and Russia worsen too much (they are not that friendly to each other actually), China might want to intervene in Mongolia and annex it before Russia makes it a puppet state only for themselves like North Korea.
I don't know if Mongolia has rich resources if it has then China has even more reasons to invade.



