Simple:
I was on a military exercise in Gibralter once and a big American warship came into harbour and said over the radio.
'Good Morning from the biggest navy in the world'.
A little Royal Navy Frigate replied, 'good Morning from the 'best'.
We do not bow and scrape to the yankee doodles and we never will, they just ask us when they want a difficult job done. It has always been like that.
Unfortunately it is the American thirst for oil that has kept back world improvements of all types for well over half a century.