For anyone who hasn’t heard of Ashkenazi Jews and the like, check this out. It’s a huge part that helps to explain WW2. Bolshevism / Communism killed millions of people pre-WW2 and was a huge reason why Hitler was popular.
It is important to realize Jews are a race of multiple ethnic groups and religion. You can be an atheist Jew like in the case of the bolshevik / communistic early class as Putin says here.
Not only were the communists anti-religion, which was quite detrimental to the then influential orthodox christian churches across Eastern Europe and Russia, they were also a different race and driven by twice the hatred to commit horrific acts. The Ukrainians suffered a famine known as the “holodomor” at the hands of these Jewish commissars leading their soldiers to even more cruelty.