I believe that is the term - "Separation of Church and State".
The religion with the most flexible rules is the religion where the only question asked is "what is the religion with the most flexible rules?" and the questions "what religion is true?" or "what religion will grant salvation?" are ignored.
There is no religious term for chocolate. Chocolate is food and food generally doesn't have religion connected to it except for rules about eating it by some religions.
to not break the rules of religion.
When speaking of the US Constitution, it should be noted that the term of "separation of Church and State" appears nowhere in the Constitution. What the US Constitution prevents is the government from establishing a State sponsored religion or make no laws regarding the establishment of religion nor prevent the practice of a peoples religion. As a comparison at the time of the US Constitution, Great Britain's state religion was the Anglican Church.
religion
The relationship between the State and religion had a more important role then did the dogma of any specific religion. Roger Williams and his adherents held that an individual alone could act in matters of conscience and that State had no role to play in enforcing the rules of the Church on the Citizen.
Both are used to describe sequences.
Mainly Hinduism, but they no longer enforce rules of or about religion.
Rule Of Law
This is NO role for religion in making laws. The need for a secular society is important to maintain a free society where people can worship as they wish. When religion is part of the government it becomes a state religion that doesn’t allow for the freedom of religion. When the English colonies began some came to escape the persecution by the state because they refused to worship according to the government rules.
The term coined by Rousseau suggesting that people were essentially good when they lived under the rules of nature is called "the state of nature." Rousseau believed that in this state, individuals were inherently moral and only became corrupted by society and civilization.