Which socialist countries? There are hardly any socialist countries left in europe. Most European countries these days are governed by conservative or neoliberal governments in these days, even notoriously leftist countries like Sweden are not nearly as leftist as they were 20 years ago.
And even the left parties did shift over to the right quite a bit the last 20 years and are now more liberal than left.
Didn't want to get political but it is quite a myth that Europe is so leftist as europe did shift over quite a bit to the right in the last 15-20 years.