I think its about money.
https://www.reuters.com/article/us-shale-ukraine-idUSBRE90N0N620130124
Ukraine has large reserves of gas and oil around the Donbas, not to mention the pipelines running through it.
That's what makes this even worse for that cnut - he's really fecked it because Europe has moved away from there number one product.
He's been siphoning the money from the sales for years into his pals pockets, just a hope that the Russian people will wake up before Poland steps in because the hatred towards the Russians is still very much alive.
I was in Czech Republic two weeks ago with two poles, two slovaks and a few chechnyans and a yank - but he doesn't count. But they were all like "its coming, we've had enough of them" they were telling me story's they've heard from Ukrainians that frankly were evil and sick.
There's obviously a material and financial aspect to empire building, but at the end of the day, this is is about neo-imperliaism - taking the land of a neighboring nation and making it apart of you, which in the process galvanizes the Russian identity over a prominent former Soviet state.