Pretty sure it’s Adam Smith
A Constitution is written in order to secure a compromise. The importance of this compromise is that it is defining the rights of citizens and the principles and powers of government (D).
A written Constitution serves to establish and to concretize the powers that are making it. It is written so it can be read by everyone and especially because this turns it into something permanent. It is a way to make a lasting compromise between all that participated in its writing.
Not sure what time period of the past or what country this question pertains to, but here are some ideas for the U.S. today:
Today
Better examples: the 14th Amendment protects EVERYONE, and the U.S. law does not discriminate, many campaigns and groups are set to spread awareness about racial and religious topics.
Worse examples: some religious holidays such as Hanukkah are not recognized on a federal level, implicit bias can make it hard for some people to not stereotype others based on race alone.
In response to the embargo, the U.S. government imposed fuel rationing and lowered speed limits to reduce consumption. Nixon seriously considered military action to seize oil fields in Saudi Arabia, Kuwait, and Abu Dhabi as a last resort.