“at all” is probably an overstatement. They were certainly trying.
“effectually”, or “significantly”, is where they failed.
They weren’t even the largest foreign player. The UK, Canada, and Australia did more - and their efforts are dwarfed by Mexico.
Russia is not at all harmless, but China is a *much* more aggressive and capable rival.
Examples of Russian influence includes what? That some Russians bought $100k in ads on Facebook?