Complex sentence: In addition to Charles's letters, his advisers had also written to five government departments and to members of the cabinet seeking to bring the government's policy into line with Charles's beliefs on matters such as the building of hospitals and ecotown design.
Split into simpler sentences: In addition to Charles's letters, his advisers had also written to five government departments. His advisers had written to members of the cabinet seeking to bring the government's policy into line with Charles's beliefs on matters including the building of hospitals and ecotown design.