Your claim about "much evidence" being from US sources sounds a bit funny to a European where we know how much Russia has run influence campaigns the last few years.
If you didn't already seem quite unaware of the world outside of US I'd peg you as a russian troll.
https://www.npr.org/2023/08/29/1196117574/meta-says-chinese-russian-influence-operations-are-among-the-biggest-its-taken-d