Complex sentence: As an example of state terror Aron that more than half of the delegates to the XVII congress of Soviet Communist Party (1934) were declared "enemies of the people" in years of "big terror".
Split into simpler sentences: As an example of the state terror Aron named tragical destiny of delegates for XVII congress of Russian Communist Party (1934). More than a half of this delegates were declared by "enemies of the people" in years of "big terror".