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.
Fartlek, a Swedish term that means speed play, is a form of interval or speed training that can be effective in improving your running speed and endurance. Fartlek running involves varying your pace throughout your run, alternating between fast segments and slow jogs. Unlike traditional interval training that involves specific timed or measured segments, fartleks are more unstructured.