Complex sentence: With religion and lineage initially decided, the ascendancy of William of Orange in 1689 would also bring his partiality to his foreign favourites that followed; by 1701 English jealousy of foreigners was rampant and action considered necessary for correction.
Split into simpler sentences: With religion and lineage initially decided, the ascendancy of William of Orange in 1689 would also bring his partiality to his foreign favourites that followed. By 1701 English jealousy of foreigners was rampant, and action was considered necessary for correction.