Problem: A public health nurse is developing a community program to raise awareness about childhood injury prevention. Which of the following strategies best represents a community-based approach to injury prevention (select all that apply)? A. Providing first aid training to parents B. Educating parents about safe home environments and appropriate supervision for different age groups. C. Treating childhood injuries in a hospital setting D. Developing new medications to treat childhood injuries E. Advocating for stricter safety regulations on children's toys and furniture.