So, let us take in consideration possibility that your judgement on Russians are clouded with globalistic propaganda.
I have been born in communist Poland under the Russian boot. I know whatever needs to be known about Ruskies, without any "globalistic propaganda".
Cooperation between Soviet Union and Germany dates back to Treaty of Rapallo (1922), which included military matters. Germans were able to keep developing their armored weaponry and tactics thanks to access to Soviet training grounds. Secret protocol to the treaty not only stipulated the partition of Poland (obvious military joint action), but also division of the remaining countries of the region, with Soviet Union getting the Baltic States (with the exception of Klaipeda, which was ceded to Germany) and a large chunk of Romania.
If your economy is strongly tied to the EU it grows faster than when it is tied to Russia. If Russia torpedos Ukraine's efforts to get closer to the EU than yes, Russia is responsible for Ukraine's slower pace of development.
That's from Russia Today
Its English version you mean. Try to speak like that in Russia, you end up in prison, or as mobik.
Unfortunately Russians often change their minds. In the 90s they accepted that aiding Hitler in 1939 and murdering Polish officers in Katyn in 1940 was evil.
Under Putin wind of change started blowing and not only politicians, but also historians started to justify these Stalin's actions.