"Petrodollar" recylcing phenomenon the end of the US?

Take a look at this video documentary on the motivations for invading Iraq. If Iran succeeds in setting up a a Euro-based petrol-trading market in Tehran, will this lead to the downfall and destruction of US economic and military hegemony? I think it’s a fascinating video.

youtube.com/watch?v=k1oPEfa9Lws