Complex sentence: In January 1538 Cromwell pursued an extensive campaign against what was termed "idolatry" by the follower of the new religion, in which statues, roods, and images were attacked, culminating in September with the dismantling of the shrine of St Thomas Becket at Canterbury.
Split into simpler sentences: In January 1538 Cromwell pursued an extensive campaign against what was termed "idolatry" by the followers of the new religion. Statues, roods, and images were attacked, culminating in September with the dismantling of the shrine of St Thomas Becket at Canterbury.