China in the 15th Century, when they banned ocean going boats.
Wait a minute Oldnpastit, you’re saying that an economically prosperous nation turned its back on overseas trade opportunities due to a fear of foreign influences affecting what they saw as “their culture”? The result of this being that, unable to influence foreign powers on an equal basis, they ended up getting screwed over?
That’s an interesting intellectual point but whet relevance does it have to current events?