Britain won the war - but insisted on losing the peace.
America won the war and the peace, and then the cold war
through its ethic and doctrine of Arbeit macht frei.
Germany lost the war - but won the peace.
France lost the war - and also won the peace
thanks to the Common Market which it, largely, set up.
Russia won the war for Britain and the USA,
started the cold war, lost it, and has given up on peace.