1. Describe the History of these four public interventions such as: Banning of smoking in public, cervical screening to prevent cancer in Women, healthy eating in school to tackle childhood obesity, and poliomyelitis vaccine for children?

2. Examine The Banning of smoking in public, describing the intervention in detail, the approach, effectiveness?

3. Redesigh the intervention Healthy eating in school to tackle childhood obesity and how the changes would result in improvement.

4. Describe ways to evaluate The cervical screening to prevent cancer in woman, using Pico theory?