Complex sentence: Over the years, less conservative Evangelicals have challenged this mainstream consensus to varying degrees, and such movements have been described by a variety of labels, such as progressive, open, post-conservative, and post-evangelical.
Split into simpler sentences: Over the years, less conservative Evangelicals have challenged this mainstream consensus to varying degrees. Such movements have been classified by a variety of labels, such as progressive, open, post-conservative, and post-evangelical.