Implementing trauma-informed principles will inevitably involve changes to an organisation's culture, policies, and practices. Therefore it is beneficial to understand how effective organisational changes takes place. a) In the Study Guide you learned that 'change' is often described as a dynamic process involving a range of events, decision-making, and actions. (Hint: See diagram on page 111 of the Study Guide.) From this perspective, what should a mental health service do in order to implement changes necessary to become a trauma-informed service? (Your response should be approximately 60 words