Question:  General Purpose Frigate was cancelled under this Canadian scholar, statesman, soldier and diplomat, who won the Nobel Peace Prize in what year?
Sentence (from "General Purpose Frigate (Canada)"): Intended as a replacement for the Second World War-era destroyers in service at the time, the frigate design was developed for the Progressive Conservative Diefenbaker government in the late 1950s as part of the general fleet renewal program.
Relevant evidence: No