When you're thinking about all the evil America did in the past decades, and doing those mental triple back flips to get to the place where all those bad things make Russia justified in starting a war with Ukraine, does Stalin ever pop into your head?   The guy just rounded up hundreds or thousands of people at a time...and executed them.  Almost 1 million citizens of his own country were executed.  He intentionally caused multiple famines that killed millions of Ukrainians. 10's of millions of people were murdered on his orders.  

For an American President to come close to matching the amount of pain and suffering that Stalin intentionally caused, they would have to first seize pretty much all political power.  And even then, it would take years to get to the level that Stalin did.  

That hasn't happened yet to America.  It could start to happen some day...but it hasn't yet.  

Appears it's started to happen in Russia though.