Previous presidents treated NK missile launches as a mere after-thought, a "Meh" even. Conservative Treehouse has outlines perfectly executed political analysis why Trump is smart to pressure China, rather than resort to a knee-jerk pre-emptive strike that nobody wants.
That country is so brain-washed that those people will join in with the fanatical soldiers and fight to the death. Not to take anything away from our military, obviously, but it'll be a situation where we would have invaded Japan instead of nuking them. Yeah, in the end we would have won, but probably at a cost of a million American lives.
Trump has to make China hurt. The thing is Walmart's shelves will be empty.