The last chinese dynasty was not ruled, but we think of now as han chinese rit the majority. But it was ruled by the manchus, which was a foreign kind of ethnic idento another ethnic group. The manchus themselves had a kind of phenological system to teach themselves how to pronounce chinese. It was kind of like an alphabet. And wanja also took inspiration from japan and took pration of manshu phrenology in order to sound out what his native dialect would sound like,. So this is almost like a, a form of linguistic technology that needed to be developed.