• It turned out that President Trump’s threat to bring “fire and fury” upon North Korea was somewhat improvised. Mr. Trump’s advisers lowered the heat amid deep divisions in the White House. Secretary of State Rex Tillerson said war was not imminent.

Here are answers to four crucial questions about the standoff; a video that explains more about Guam, the U.S. territory the North threatened to attack; and five reasons the danger may not be as scary as it seems.