Explanation:

- Option 1: Customs

Customs are traditional ways of behaving in a society. They are important for a group’s identity, but breaking them usually doesn't lead to severe punishment.

- Option 2: Mores

Mores are deeply held beliefs about what is right and wrong in a society. Violating mores (such as stealing or harming others) is seen as a threat to society and usually results in severe legal or social punishment.

- Option 3: Ideologies

Ideologies are systems of ideas and ideals, especially in politics or religion. These are important, but their violation isn’t always punished severely.

- Option 4: Folkways

Folkways are casual social norms, like manners and etiquette. Breaking them might cause mild disapproval, but not harsh punishment.

Correct Answer: Option 2 – Mores