Complex sentence: This move came out of WROC's poor performance and constant preemptions of network programming and as a byproduct of Viacom's renewals of affiliations in Hartford and Albany; also, NBC regained the top ratings spot while CBS was in decline during this time.
Split into simpler sentences: This move came out of WROC's poor performance and constant preemptions of network programming and as a byproduct of Viacom's renewals of affiliations in Hartford and Albany. Also, NBC regained the top ratings spot while CBS was in decline during this time.