Complex sentence: Since the Trotskyists were forced out of the Comintern, some Trotskyists have made a point of strictly raising the left fist in the tradition of the Left Opposition; some anarchists also prefer the left fist to denote their libertarian socialist opposition to Marxism.
Split into simpler sentences: Since the Trotskyists were forced out of the Comintern, some Trotskyists have made a point of strictly raising the left fist in the tradition of the Left Opposition. Some anarchists also prefer the left fist to denote their libertarian socialist opposition to Marxism.