Australian and American troops have fought side by side in every major conflict since World War I, and there are few militaries in the world with closer relations. But Australia’s most important military alliance faces a new challenge: the risk that President Trump will draw the nation into a conflict or other unexpected crisis that destabilises the region, angers its trading partners or forces it to side with either the United States or China. USSC research fellow Ashley Townshend is quoted in this article published by The New York Times.