On the subject: I highly recommend "The culture map" book. It provides a dozen of dimensions on communication and compares on real world examples how American,

On the subject: I highly recommend "The culture map" book. It provides a dozen of dimensions on communication and compares on real world examples how American, German, French, Chinese, Japanese and several other nationalities approach certain situations, and summarizes each dimension with a scale and puts each country in the left/middle/right. https://erinmeyer.com/books/the-culture-map/ https://erinmeyer.com/books/the-culture-map/ It talks things like "why X are so aggressive and direct" and "why Y are so $adjective".