TAIPEI, Taiwan—Secretary of State Antony Blinken said that the United States and its allies would “take action,” in the event that the Chinese regime used force to unilaterally change the status quo over the self-ruled island. However, Blinken did not specify what kind of action Washington or its allies might take, while answering questions during a forum hosted by The New York Times on Nov. 10. His response falls in line with the United States’ decades-long foreign policy known as “strategic ambiguity,” which means that the United States is deliberately vague on the question of whether it would come to Taiwan’s defense. “At the same time, I think it’s fair to say that we’re not alone in this determination to make sure that we preserve peace and stability in that part of the world,” Blinken added. “There are many countries, both in the region and beyond, that would see any …