Complex sentence: The peace accord required the MCP to disband its armed units, cease militant activity, and destroy its weapons, and to pledged loyalty to His Majesty the Yang di Pertuan Agong of Malaysia.
Split into simpler sentences: The peace accord required the MCP to disband its armed units, cease militant activity, and destroy its weapons. They finally "pledged their loyalty" to His Majesty the Yang di Pertuan Agong of Malaysia.