Through a service level lens, justify how existing policy from two separate policy categories on the BCW support your cohesive evidence-based exercise.

Through a service level lens, justify how existing policy from two separate policy categories on the BCW support your cohesive evidence-based exercise- intervention plan for the needs of groups or individuals from the following populations: 1. Mental ill health. 2. Immigrant groups. 3. Homeless. 4. Service users with addictions