And given the losses Russia suffered ,it would be fool hearty to think they can conquer all of Ukraine. In other words the territory that was in dispute has already been taken by Russia . All this could've been settled before the bombs fell.
But the US orchestrated the 2014 coup called the Maidan Revolution that led to the civil war in Ukraine that same year .
On top of that ;Russia has been alarmed at NATO expansion 2008 GW pressed NATO to admit Ukraine and Georgia into the alliance. The April 2008 NATO communique stated that year eventually the 2 nations would be admitted .
NATO news: NATO decision on open-door policy - 3 April 2008
August of 2008 Russia invaded Georgia to protect ethnic Russia areas of South Ossetia and Abkhazia
Ukraine entry was a red line we knew Russia had drawn . So we persuaded the actor turned President to play hard line about talks . Even today he insists he will only accept a settlement where no Ukraine territory is lost .
Defense Sec for both GW and the emperor ;Robert M Gates wrote in his memoir '
Duty' that “
trying to bring Georgia and Ukraine into NATO was truly overreaching ;a case of
“recklessly ignoring what the Russians considered their own vital national interests.”