No sense in engaging with tankie talking points. China indeed has a long history of conquering and then culturally and ethnically assimilating everything into Han. Makes it a lot easier to rewrite history into saying you are just uniting your people. Same playbook on why the Uyghurs are experiencing genocide by China.

tibet was a chinese dependency

mao went and enforced the ban on slavery

you must support slave ownership and the right to chattel men?