Complex sentence: Simnel's cause was crushed at the Battle of Stoke Field; the victorious King Henry VII was prepared to be magnanimous to the rebels and Dowdall and his judicial colleagues received a royal pardon.
Split into simpler sentences: Simnel's cause was crushed at the Battle of Stoke Field. The victorious King Henry VII was prepared to be magnanimous to the defeated rebels and Dowdall and his judicial colleagues received a royal pardon.