This consists of the movement of ideas from one point of origin over a large span of time. This has to include the complete absorption of ideas into society, not just partially.
To learn more about this:
https://study.com/academy/lesson/diffusion-of-innovation-theory-history-examples.html
Hope I helped!
Answer:
C. County Children and Youth agencies.
Explanation:
The county children and youth agency is responsible for investigating suspected child abuse, child protective services; and assessing the need for general protective services.