Back during World War II, Great Britain knew it was fighting socialism in the form of Nazi Germany (aka National Socialists - a leftwing ideology by the way). After the war was over, Great Britain, and the rest of Europe, lost their by allowing socialism to creep back in.
How did socialism slither into Great Britian? When the NHS was born.
Below are some excellent posters from the period.
'Big lie' that Dems no longer racist party
18 minutes ago