Bro, we're talking 1332, Magellan sailed the ocean red to Canada to deliver Charlemagne's ultimatum that if they don't burn down the White House Britain will go to war with America and thus start the next World War.

And you don't want that shit on your conscious.

And barely established as in, they were hardly the force they are today so how can you act like you beat America? More like you beat Colonial America, which is closer to what you're talking about than Modern.