Complex sentence: While there have been many Catholic-inspired parties, from the aforementioned Christian Democracy to Forza Italia, Waldensians have been usually active in "secular" parties and, more recently, a group of Pentecostals set up the Extended Christian Pact party.
Split into simpler sentences: While there have been many Catholic-inspired parties, from the aforementioned Christian Democracy to Forza Italia, Waldensians have been usually active in "secular" parties. More recently, a group of Pentecostals set up the Extended Christian Pact party.