In the period between 1927 and 1940, the number of Orthodox Churches in the Russian Republic fell from 29,584 to less than 500
Until 1929 the Russian Orthodox Church could help retired Clergy. Then it became against the law.
In an orthodox Atheeist Theocracy, times are brutal.
They killed 100,000 clergy.
Marx was a rabid heathen. Where 2 or 3 are gathered in the name of Atheism, someone is going to be miserable.