For this, the Bashkirs had been obliged to pay for yasak (tribute) (at first with furs and honey, later on with revenue). In 1573, the Bashkirs discovered it inconvenient to pay for yasak in Kazan and questioned the Russian tsar to build a town for them on their own land https://israelzazzz.glifeblog.com/29208966/5-tips-about-ufabet-you-can-use-today