Much has been said about the Trump administrations lack of a coherent foreign policy plan. He seems to have changed to tone to an us vs them winner takes all approach without considering even the near term negative consequences of such an approach.
Even if that is correct, Trump definitely got something right on US Foreign Policy: US citizens stopped buying in the notional that the US should be the ‘Global Global Good Guy’. Somewhere in the George Bush, Bill Clinton era, citizens saw an ever expanding, less than fully-coherent foreign policy that directly cost them billions of dollars, thousands of lives and the respect of many foreign citizens outside of the political class.
The US Government has thrown its weight around, with a view that it can do little wrong, since the end of World War II while US Citizens see and feel the losses. The US Government has lost the ability to explain the vast positives that come from such interventions: