NATO is in turmoil just as the military alliance confronts the deadliest conflict on its doorstep since World War II. At a summit in The Hague this week, European leaders tried to convince President Donald Trump not to withdraw US troops and weaponry from the region or pull the military aid that’s helped Ukraine avoid being overrun by Russian forces.

President Trump has long pushed the European allies to be more self-sufficient on defense, relying less on American protection. NATO committed to a major increase over the next decade.