During the Cold War, Mongolia was surrounded by two rival communist states. How did Mongolia stay independent between China and the Soviet Union, while countries like Kazakhstan were absorbed?
This is not to discourage further questions or discussion. Some of these are archived, so to ask more, you've have to post to this thread.
A search in this subreddit for "Mongolia" will produce an amazing number of hits.
How come Mongolia has kept its vast amount of land when it has such a small population and army from being conquered by the superpowers of China in the south and Russia in the north? was asked just 14 days ago and got 100 responses. /u/keyilan had a very nice one.
Why did Mongolia achieve independence so easily whereas other independence movements in China (Tibet, East Turkestan, Outer Mongolia) have failed?: again, /u/keyilan. 76ish replies.
In 1911, Outer Mongolia declared independence from China (Qing Dynasty), while Inner Mongolia never did. Why was this?: not a direct answer to your question and the main answer, by /u/falloutfan1234 by citing Kissinger, was somewhat disputed by /u/TheLordHighExecu and /u/talondearg questioning Kissinger's reliability.
Why wasn't communist Mongolia absorbed into the Soviet Union like other Central Asian states?. /u/The_Alaskan held the wicket here. 75ish replies.
How has Mongolia retained its independence?, 26 replies, the top one by [deleted].
And twelve other postings on the same topic, though with fewer replies.