What factors influence the actions of the legislative branch? the executive branch? the judicial branch?

Question

In what ways can national state and local govts make policies to meet the changing needs of citizens?

How may citizens or groups initiate change in governmental policy?

WHat is the principle of due process? How is it applied?

What is the demographic changes on government funding decisions?

What is the social, economic, and political impact of regulatory agencies on a country, region, or state?



Yeah, so I have a final tomorrow and these are some of the questions I kind of have the answer to, but they're not definite.
Help?

Answer 1

It is going to be a long answer for this site. You probably have no choice but to read a book.