Which of the following statements best describes how societal norms influence the perception of abnormal behaviour?

Societal norms are universally consistent and do not change over time.

Behaviours, thoughts and emotions that align with societal norms are always considered abnormal.

Societal norms are derived from society's culture, including its history, values and institutions and these norms can change over time.

Aggressive behaviour is universally accepted as normal behaviour across all cultures.v