sentences:  Under his leadership Kazakh ghazis defeated Dzungar forces at the Bulanty river in 1726 and in the battle of Anrakay in 1729.In order to obtain Russian help against the Dzungars, Abul Khair Khan took an oath of allegiance to the Russian crown in 1731.He subsequently attempted to limit and control the amount of Russian influence exercised over the Kazakh Little jüz.