The United States thought that it had solved its problems after assuming independence, but the tension between the northern and southern states only grew due to differences in relation to slavery. The northern and southern states were completely different, and had very different views on almost everything. Although the act of commitment was implemented, this did not solve the problems, as the states were still very independent and created ways to circumvent these rules. All this tension led to the Civil War.
The answer is, Millie is experiencing "Acceptance stage of the Kübler-Ross model".
Acceptance refers to the last stage of the Kübler-Ross model. This stage is tied in with tolerating the truth that our loved one is physically gone and perceiving this truth is the changeless reality. We will never like this reality or make it OK, however in the end we acknowledge it. We figure out how to live with it. It is the new standard with which we should figure out how to live.
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Aftermath of World War II
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The aftermath of World War II was the beginning of a new era for all countries involved, defined by the decline of all European colonial empires and simultaneous rise of two superpowers: the Soviet Union and the United States.
I believe it is >>> (C: creating and modifying laws)
Hope this helps