The Russians decided that taking a southern route through the Tatar khanate of Kazan would allow them to penetrate Siberia more easily, but Kazan would need to be overthrown first.
Rusia memutuskan bahwa mengambil jalur selatan melalui Tatar Khanate Kazan akan memungkinkan mereka untuk menembus Siberia lebih mudah, tetapi Kazan harus digulingkan terlebih dahulu.