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!
B. Crafts because crafts imply carpentry, building and other physical jobs, and Jackson loves seeing the "end result" of his hard work
I think it's D. Adalya and Declan
C. oil - warning light
If you see the light light up, then it means that the oil is low, which means that you will have to refill it.
hope this helps