Could you share the major social and emotional milestones for children aged 1-5 yearS and identify and share at least two social and emotional milestones for each year Also explain how factors that influence these milestones, such as family dynamics, culture, and environment.

Can you also develop a detailed action plan that outlines strategies and activities to encourage social and emotional development in the age group of 2-3. This plan should consider the role of caregivers, educators, and the environment And can you Justify your strategies with research findings and psychological theories.