Self knowledge leads us to self-awareness. In a way that if we have knowledge of what happened around us, you already know what are the things to do and are the best things to do, making you aware of the things that you should be doing and what are these choices and path will lead you to.
Lord and Nobles (lord of the manor) who fought for king was given Fiefs (Portion of land) in return for their loyalty and services during the feudal system in Medieval Europe. However, king also grants lands known as fiefs to vassals in return of military services so that their land could be protected from Evasion by other rulers and further vassals can grant land to their salves and can ask for produce and services.
C. It will conduct electricity
Answer:
Americans have different ideals of what is valuable for a better life.