Answer:
Basically, it means that the power of the government is divided between the national (federal) government and state and local governments. Hope that helped!
Explanation:
Spillover costs are Productions costs paid by the general public.
Spillover costs are also known as negative externalities. These are costs or dates shouldered by third parties due to a market transaction.
Answer D
It's not answer A because its wording does not make sense. Along with that, It's not B or C because practicing new skills is only a part of why they made tools, and to learn a craft also doesn't make sense. So, it just made life easier to have tools.
