After Rurik died, his relative Oleg of Novgorod, also known as Oleg Veshchy gained control of Kiev. The Kievan Rus was captured by Oleg and renamed Keiv. Oleg was able to seize power in Kiev from Askold in 882 and moved the capital from Novgorod to Kiev.
Yes, it is true that the progressive income tax was aggressively sought by the Populist Party, since they thought that this would free the common man from financial instability.
