For this, the Bashkirs have been obliged to pay yasak (tribute) (to start with with furs and honey, later with income). In 1573, the Bashkirs found it inconvenient to pay yasak in Kazan and requested the Russian tsar to create a town for them on their land and ship troops https://martintuusr.dailyblogzz.com/30336977/an-unbiased-view-of-ufabnb