The forced resettlement of the Ukrainians (the so-called Lemkos and Boikos) from south-eastern Poland to the Soviet Ukraine in 1945-1946, often carried out in a violent way, was part of the plan to attain homogeneity of Poland as a one-nation state without ethnic minorities. In autumn 1945, as a result of political pressure exerted on them by the Polish government and its subordinate bodies and under the impact of a growing number of brutal acts of the Polish troops and militia engaged in the transfer of the Lemko and the Boiko people into the U.S.S.R.