If Britain would of held onto their American assets there would have actually probably been more mini euro-wars because it would have been strategically impossible for one country at that time to hold onto the vast size of America and the natural resources America had would have been reason enough for everyone to want a piece of the place. And yes there would have been an American terrorist organization every country who has people that believe they live under the rule of a foreign or alien influence has their dissidents.
P.S
--English cooked breakfast--(obviously not all at once but this is common parts):
Beans
Mushrooms
Hash browns
Black pudding
Bacon
Sausages
fried eggs/Scrambled eggs
Plum tomoatoes/fried tomatoes
fried bread
Toast
tea/coffee/fruit juice