Complex sentence: After the incident, King Jungjong never had chance to rule of his own; the government was mostly handled by many conservative factions, each of them backed by each one of the king's queen and concubines.
Split into simpler sentences: After the incident, King Jungjong never had the chance to rule on his own. The government was mostly handled by the various conservative factions, each of them backed by one of the king's queen and concubines.