Complex sentence: The privileges granted to Protestants were widely opposed, however, leading to their cancellation and the resumption of war, in which the Dutch Republic, England and Navarre intervened on the Protestant side, while Spain, Tuscany and Pope Pius V supported the Catholics.
Split into simpler sentences: The privileges granted to Protestants were widely opposed, however, leading to their cancellation and the resumption of war. The Dutch Republic, England and Navarre intervened on the Protestant side, while Spain, Tuscany and Pope Pius V supported the Catholics.