Red dwarfs are not failed stars. They are the lowest mass objects capable of nuclear fusion. Brown dwarfs are failed stars. Brown dwarfs officially start at 13 Jupiter masses, & have a maximum mass of 75 Jupiter’s. Beyond that mass, fusion starts & the object is officially a star.
All those countries came about by conquering tribes. They were all empires at one time or another. China never stopped being an empire. Tibet & Taiwan would like a word with you…