Ukrainians in Russia include all the family of hetman Ivan Mazepa, A. Vojnarovsky, and those in Mazepa's Cossack forces that returned to Russia. Some were imprisoned in exile for the rest of their lives such as hetmanPavlo Polubotok, Pavlo Holovaty, P. Hloba and Petro Kalnyshevsky. Beginning in the 19th century, there was a continuous migration from Belarus, Ukraine and Northern Russia to settle the distant areas of the Russian Empire. The promise of free fertile land was an important factor for many peasants who until 1861, lived under Serfdom. In the colonization of the new lands, a significant contribution was made by ethnic
History of Russia (1855–92) tended to ameliorate the condition of the peasantry: the poll tax was abolished in 1886, a law was passed to accelerate legal transfer of the land allotted to the peasants in 1861, the payments due from them for this land were greatly reduced, Crown lands were made available for leasing or purchase to the peasants on advantageous terms, and great stretches of Crown lands in Eastern Russia and Siberia were opened for peasant emigration and resettlement. Labour legislation was first introduced in 1882 with the creation of the inspectorate of factories (in charge of health and life saving regulations), the