Complex sentence: These were additions to the settlement and largely stressed some continuity with the Catholic past: ministers were ordered to wear the surplice; wafers, as opposed to ordinary baker's bread, were to be used as the bread at Communion.
Split into simpler sentences: These were additions to the settlement and largely stressed some continuity with the Catholic past--ministers were ordered to wear the surplice. Wafers, as opposed to ordinary baker's bread, were to be used as the bread at Communion.