Trump is doing the opposite of what the Democrats and Obama did. The Democrats and Obama went on an apology tour, blaming America for all the woes of the world. They then attempted to dissociated America back into ethnic and racial diversity, and make America the world's guilty piggy bank funding a new world order. This was a larger scale demagoguery full of thieving middle men. Trump is reversing the dissociation by allowing all the dislocated groups to come together again, so they can avoid the new world order, that was conceived in guilt and scams.
I think what's happened is that the mainstream, establishment-level politicians have painted themselves into a corner, ideologically speaking. Regardless of how anyone defines the "new world order," the fact remains that American military might (and the "patriotism" required to support it and maintain it) is a required component in furthering any globalist agenda.
The "blaming America" part is mainly a propaganda ploy, to acknowledge the misgivings of a world resistant to American hegemony, while attempting to demonstrate that we have reformed and therefore have the right to force our goodwill upon the rest of the world.
But therein lies the trap and the contradiction, since it seems that our politicians have been sending mixed, contradictory messages of "America is great" and "America is evil" both at the same time.
This has had the effect of weakening US patriotism to some degree, causing people to question the goals and objectives of our foreign policy, the role of our military - which could lead to a decrease in defense spending and diminish our capacity to prop up the "new world order" (or whatever it is they're trying to do).
But then there's also the counter-effect that too much criticism of America can lead to those wanting to staunchly defend America and express a more resolved form of patriotism, which might explain why Trump and others are doubling down on the whole idea of patriotism and nationalism.