What is a disappointing end after a big buildup called?

Which dictator was known as "Il Duce"? What is a diplomatic emissary of the highest rank called? Which word names both a diplomatic official and a type of briefcase? A dipsomaniac has an uncontrollable craving for what? A disastrous economic program called the Great Leap Forward began in which country in 1958? Which disco anthem begins "First I was afraid, I was petrified"? A dismembered hand clutching a broken sword is part of which 1937 black-and-white painting inspired by the bombing of a… Latin American countries long complained that Europe's quotas and tariffs on which fruit were discriminatory?