no matter what excuses are used, it is called "闭关锁国", for which every Chinese kid got taught it to be a bad thing. Chinese learnt it the hard way as they did ex

no matter what excuses are used, it is called "闭关锁国", for which every Chinese kid got taught it to be a bad thing. Chinese learnt it the hard way as they did exact that 500 years ago and that didn't end very well.