[proud American in Canada]

This has backfired. It has only energized Trump supporters.

Wasn’t it the Emperor of Japan who said, “I fear we have awakened a sleeping giant”?

[chimera]

That was attributed to Fleet Adm. Isoroku Yamamoto, although there is no written record of his having said precisely those words. Yamamoto studied at Harvard and was naval attaché in Washington for to postings so he was well aware of American culture and the reluctance to be involved in foreign wars. But if provoked the US response was always swift and decisive (back then).