Original sentence: After the Russian Revolution and the Russian Civil War the Bolshevik authorities initially tolerated and even encouraged Ukrainian nationalism following their victory in Ukraine.After the suspicious death of Patriarch Tikhon these autocephalic churches sought to remain independent; something that Moscow tolerated until after World War II when many Ukrainian Orthodox clergy not affiliated with Moscow fled to Germany, the United States, or Canada.Metropolitan Oleksiy was executed in Volhynia on May 7, 1943.Nazi occupation authorities and pro-Russian hierarchs of the Autonomous Church forced Metropolitan Oleksiy to remove his signature.On October 8, 1942 Archbishop Nikanor and Bishop Mstyslav (later a Patriarch) of the UAOC and Metropolitan Oleksiy (Hromadsky) of the Ukrainian Autonomous Orthodox Church concluded an Act of Union, uniting the two national churches at the Pochaev Lavra (monastery).Some clerics and church historians, particularly in Ukraine, do not consider this transfer legitimate and claim it was  attempted via the ecclesiastic crime of bribery by the Russian Church, then only recently elevated to patriarchal status, but eventually accepted under pressure from the Turkish Sultan.The UAOC and UGCC and their church property in Ukraine were liquidated by the Soviet authorities who transfered some of their property to the Patriarchate of Moscow, which could legally lay claim to any Orthodox church property that was within the territory of its uncontested jurisdiction.This development, they claim, resulted in a forced policy of Russification of Ukrainian Christianity
Edited sentence: After the suspicious death of Tikhon of Moscow these autocephalic churches sought to remain independent; something that Moscow tolerated until after World War II when many Ukrainian Orthodox clergy not affiliated with Moscow fled to Germany, the United States, or Canada.Some clerics and church historians, particularly in Ukraine, do not consider this transfer legitimate by many and claim it was  attempted via the ecclesiastic crime of bribery by the Russian Church, then only recently elevated to patriarchal status, but eventually accepted under pressure from the Turkish Sultan.The Communist authorities initially tolerated and even encouraged Ukrainian nationalism following their victory in Ukraine.The UAOC and UGCC and their church property in Ukraine were liquidated by the Soviet authorities who transfered some of it property to the Patriarchate of Moscow, which could legally lay claim to any Orthodox church property that was within the territory of its uncontested jurisdiction.This development they claim resulted in a forced policy of Russification of Ukrainian Christianity