It's been a very common thing recently with Russian to claim the West basically did nothing in WW2.
They are quite literally rewriting history in their classrooms.
Now I won't deny they took the brunt of the force and paid an absolutely huge price in lives.
But op is trying to use WW2 as a way to say the US is bad. That we did nothing and only joined when it was basically over. It's a super common Russian nationalist talking point right now.