Original sentence: Since the late 1980s, however, some Church of Christ leaders had repudiated the Boston Movement as an apostatized, schismatic cult; the Boston Movement in turn declared itself to be a faithful remnant being called out of a dead or dying church, namely the mainstream Churches of Christ.What was called the International Churches of Christ (sometimes called "The Boston Movement" which was grounded in the Church of Christ "Crossroads Movement"), was often labeled a cult by mainstream extremists, had its origins in certain congregations of the Church of Christ
Edited sentence: Many former "Crossroads", "Boston" and "ICOC" converts eventually assimilate into and are fellowshipped by mainstream Churches of Christ.Since the late 1980s, however, some Church of Christ leaders have repudiated the Boston Movement as an apostatized, schismatic cult; the Boston Movement in turn has declared itself to be a faithful remnant being called out of a dead or dying church, namely the mainstream Churches of Christ.What is now called the International Churches of Christ (sometimes called "The Boston Movement" which was grounded in the Church of Christ "Crossroads Movement"), often labeled a cult by mainstream extremists, had its origins in certain congregations of the Church of Christ