United States, Biden’s foreign policy restarts from the “Quad”: the quadrilateral of the Indo-Pacific democracies

American foreign policy restarts from “Quad”, the quadrilateral of the Indo-Pacific democracies. It is no coincidence that so close to leaving Kabul, the president of the United States is organizing a summit in this format: bringing together Japan, Australia and India, that is, the most important pieces of a “containment cord” of Chinese expansion in the area of ​​the world that encompasses the Indian Ocean, the China Sea, and the Western Pacific.