One of the more benevolent ways in which a super-power can promote both peace and commerce is by its command of the sea, Sir John Glubb notes:
From Waterloo to 1914, the British Navy commanded the seas of the world. Britain grew rich, but she also made the Seas safe for the commerce of all nations, and prevented major wars for 100 years.
Curiously enough, the question of sea power was never clearly distinguished, in British politics during the last ?fty years, from the question of imperial rule over other countries. In fact, the two subjects are entirely distinct. Sea power does not offend small countries, as does military occupation. If Britain had maintained her navy, with a few naval bases overseas in isolated islands, and had given independence to colonies which asked for it, the world might well be a more stable place today. In fact, however, the navy was swept away in the popular outcry against imperialism.