Add spaces: TheideologicalstrugglewagedbyrevolutionaryMarxismagainstrevisionismattheendofthenineteenthcenturyisbutthepreludetothegreatrevolutionarybattlesoftheproletariat,whichismarchingforwardtothecompletevictoryofitscausedespiteallthewaveringsandweaknessesofthepettybourgeoisie.
The ideological struggle waged by revolutionary Marxism against revisionism at the end of the nineteenth century is but the prelude to the great revolutionary battles of the proletariat, which is marching forward to the complete victory of its cause despite all the waverings and weaknesses of the petty bourgeoisie.