Here is an article from a year ago that offers some insight. It seems to have some history and that the toppling of al-Bashir wasn't enough for the US to gain a foothold.
Discussion
I suggest you try to read past some of the linguo that the West uses to justify their involvement.
It seems like the faith of Ukraine/Western war and Sudan is narrowly tied together.
Sad to see this conflict drags more countries /populations into hunger and poverty.
Thanks a dozen for sharing all those details.
It’s literally a proxy war US / Russia