The Eustachian tube originates in the rear of the nose adjacent to the soft palate, runs a slightly uphill course, and ends in the middle ear space. The middle ear space is the hollowed out portion of the skull bone that contains the hearing apparatus and is covered on one side by the eardrum.
brinkmanship, brinksmanship. the technique or practice in foreign policy of manipulating a dangerous situation to the limits of tolerance or safety in order to secure advantage, especially by creating diplomatic crises.
Answer Wiki. Containment and brinkmanship were separate US Cold War policies that dominated US foreign policy for the first 15 years of the Cold War. Containment was the concept of preventing the spread of communism, first in Europe, then East Asia, then around the world in the Middle East, Africa, and Larin America.