President-elect Donald Trump will likely be a unilateralist in his dealings with Australia and the rest of the world, neither a pre-World War Two isolationist nor the post-war global policeman.

Trump’s highly transactional view of life means he will take America in and out of world affairs as and when it suits his mercurial personality. He will approach each international relationship through the prism of what is in it for him. For Trump, the geopolitical is personal.