When a criterion abbreviated I.I.A. fails in one of these events, the spoiler effect may occur.
When a criterion abbreviated I.I.A. fails in one of these events, the spoiler effect may occur. The Borda count may govern one of these events which does not meet the Condorcet criterion. A small blue banner hangs above a line of men, many of them drunk, in a painting of one in The County by George Caleb Bingham. Arrow's impossibility theorem describes the inherent flaws in carrying out these events, which can be "first past the post". A faulty technology for these events caused "hanging chads" to plague Florida during a 2000 event of this kind. For 10 points, name these events in which votes are cast to choose between candidates. 
When a criterion abbreviated I.I.A. fails in one of these events, the spoiler effect may occur.
elections [accept votes until "votes" is read; accept presidential elections] 