Foreign policy is easy. If you're a country that accepts a yearly stipend from the United States, you're on our payroll, do as you're told.
Forget the middle east. They're entirely capable of annihilating themselves without our help. Let them.
Tariffs. If you charge 25% on American imports, we charge 25% on crap that comes here from your country.
If you attack our country, yours will cease to exist.