Indeed, this was one of the main justifications for raising interest rates in Britain this year.

ECONOMIST: Yesterday's financial architecture needs refurbishing

One of the main justifications for quantitative easing is that higher asset prices will ultimately instill confidence, igniting so-called animal spirits.

WSJ: Central Bankers' Change

One of the main justifications for troops being in Afghanistan is the training of Afghan security forces to handle the situation once UK forces withdraw in 2014.

BBC: William Hague