There were pogroms and mass murders at the ground level and there were laws targeting Russian speakers from the governmental level. The weapons Trump was impeached for tying political favors to were being used against resistance militias. They were being used to bomb facilities built in the soviet era that pump hot water into people's homes as the local method of heating during the winter. They locked over a hundred people in a building and burned them alive in it. They broke multiple treaties with Russia in order to do all of this. This was the lead up to the war.