The issues of the formation of the USSR in the context of the search during 1917-1922 for the optimal model of implementation of Russia's political and legal doctrine of Ukraine are covered. It is believed that the formation of the USSR is part of the centuries-old Russian imperial doctrine of its political absorption.
The paper is based on English language book editions printed in the USA during 1920-1930s about Ukraine, or
where Ukraine been mentioned. It deals with non-fiction publications by the Ukrainian diaspora in the US, the books of
American authors, and editions translated from other languages into English. Ukraine was mentioned in a general history
books about Europe during and after World War I, and also in a writings dedicated to the situation in the USSR.
Historical aspects of migration processes in Ukraine, in particular features of social and
political and legal status of migrants on the example of Russian migration of time Imperial
Russia and the USSRare investigated. It isproved that Russians in Ukraine asan ethnic group
formed as a result of migration processes. Tendencies of growth of number, directions of
settlement, and also features of the social and legal status of the Ukrainian Russians are