AlGrothendieck

It is important to mention that the war in Georgia was started by Georgia - European Commission made an investigation and ruled this out. Source: https://www.reuters.com/article/idUSTRE58T4MO/

Despite that from the very first day all US media was covering it as if Russia started the war. Effectively, the US media was spreading propaganda. Why?

I think the answer is in Propaganda Model by Chomsky: https://en.m.wikipedia.org/wiki/Propaganda_model

While Secretary General, Ismay is also credited as having been the first person to say that the purpose of NATO was "to keep the Soviet Union out, the Americans in, and the Germans down," a saying that has since become a common way to describe the dynamics of NATO