Original sentence: It is a campaigning group using methods such as leafletting, public meetings and 'caravans', groups of volunteers that spread the society's message on the streets.The American Society for the Defense of Tradition, Family, and Property is conservative Catholic movement that started in Brazil in 1960, the American branch was founded in 1973.The society is an active campaigner against same-sex marriage.The society is run mainly by volunteers with some paid staff.The society was founded to counter liberal, socialist and communist ideas that movement sees as affecting society as a whole as well as the Church
Edited sentence: The American Society for the Defense of Tradition, Family, and Property is conservative Catholic movement that started in Brazil.The society was founded to resist the liberal socialist and communist ideas that were invading western society as well as their Catholic faith