Culture is a set of shared values, practices, and beliefs, for a given group. The word culture has many different meanings. However, for anthropologists and behavioral scientists, culture is a full range of learned human patterns. The English anthropologist Edward B Tylor said that culture includes knowledge, belief, art, law, morals, custom. Culture is a powerful human tool for survival. Humans strive for union thus having a set of common values, practices and beliefs is important for harmony within any community.
One incident would definitely be during the cold war more specifically during The Bay Of Pigs another would be during a false alarm in which we thought Russia had fired nuclear weapons at us and refrained from firing back before being sure