Answer:
a) Chivalry.
Explanation:
Chivalry, or the chivalric language, is an informal and varying code of conduct developed in Europe between 1170 and 1220.
Chivalry was a set of ideals and practices that emphasized virtues such as courage, loyalty, honor, and courtesy. Knights were expected to uphold these principles in their behavior, both on and off the battlefield. It played a significant role in shaping medieval European society and the conduct of knights during the Middle Ages.
