Complex sentence: After the battle, York reaffirmed his loyalty to King Henry, and was reappointed Lord Protector and Lieutenant of Ireland, but most of the court were as hostile to him as they had been previously, or even more so.
Split into simpler sentences: After the battle, York reaffirmed his loyalty to King Henry, and was reappointed Lord Protector and Lieutenant of Ireland. Most of the court were as hostile to him as they had been previously, or even more so.