@@50@@
/\Wlenin\W/
/\Wmarx\W/
/\Wstalin\W/
/\Wtrotsky\W/
/\Whoxha\W/
/\Wworkers/
/anti\-?capitalist/
/anti\-?revisionis(ts?|m)/
/bolshevik/
/collectivis(ts?|m)/
/comintern/
/command\seconomy/
/eastern\sbloc/
/friedrich\sengels/
/labou?r\stheory\sof\svalue/
/left-wing/
/planned economy/
/proletariat/
/rosa\sluxemburg/
/socialis(ts?|m)/
/soviet/
/surplus\svalue/
/warsaw\spact/
/world\srevolution/
15 /communis(ts?|m)/
15 /hoxhais(ts?|m)/
15 /leninis(ts?|m)/
15 /maois(ts?|m)/
20 /marxis(ts?|m)/
15 /stalinis(ts?|m)/
15 /titois(ts?|m)/
15 /trotskyi(te|sts?|sm)/