Answer:
D. Referendum
Explanation:
If citizens are unhappy if a piece of legislation and want it struck down they have the right to call a referendum. This allows the people to vote on it directly.
That they where sharing stuff betwwen the contrys but the was a war between them so they dont know what they going to do next after they going to do something so that they have in the states that they have something in vommon
Laws were needed to justify the need for order in the rising complexity of the civilization so as more laws were written more were enforced and more were needed to justify that enforcement
D. The federal government would increasingly play a role in American lives going forward, after the Civil War.