Before revision: The Missions were religious outposts established by Spanish Catholic Franciscans from 1769 to 1823 for the purpose of protecting Spain's territory by settlements and converting the Californian Native Americans to a Christian religion .
After revision: The Missions were religious outposts established by Spanish Catholic Franciscans from 1769 to 1823 for the purpose of protecting Spain's territory by settlements and converting the Californian Native Americans to Catholicism .