Complex sentence: In late 1978, Hussman offered free want ads--a move which tripled the size of the Democrats classified section and making it the only Arkansas newspaper ever to publish more than one million classified advertisements in a single year.
Split into simpler sentences: In late 1978, Hussman offered free want ads--a move which tripled the size of the Democrats classified section. The "Democrat" hence became the only Arkansas newspaper ever to publish more than one million classified advertisements in a single year.