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.
Mettle is defined as a high quality of personal character. 1  An example of mettle is a soldier's bravery.  An example of mettle is a person who has spirit and courage.
Fartlek is a type of interval running, but is not as structured. Both types of training help to improve your ability to run faster. They will train your body to tolerate harder and faster running. Interval training usually has a definite distance or time to run and a specific recovery between intervals.