That's pretty broad. The socialist party is rulling in France. The greek socialist party is in a coalition with a non-socialist party to achieve common aims and goals. These aims and goals are pretty much the opposite of those put forward in the communist manifesto.
Are you really from Laos?
...We shall never recognise equality with the peasant profiteer, just as we do not recognise “equality” between the exploiter and the exploited, between the sated and the hungry, nor the “freedom” for the former to rob the latter. And those educated people who refuse to recognise this difference we shall treat as whiteguards, even though they may call themselves democrats, socialists, internationalists, Kautskys, Chernovs, or Martovs.
V.I. Lenin