Although the candidates are selected instead of elected, the process has to follow strict standards. 1. The candidates have to be always in the political system.
1 An example of mettle is a soldier's bravery.  An example of mettle is a person who has spirit and courage.
tootle-the sound of casual playing on a musical instrument; he enjoyed hearing the tootles of their horns as the musicians warmed up. sound-the sudden occurrence of an audible event; the sound awakened them.