Diarmid is designing a method that uses objects as input. What must he keep in mind while designing these methods

Why is paper currency considered flat money ? a) it is backed up with gold and silver deposits b) it has value because people will accept it in exchange for a good or service c) it is easy to carry and transfer

Can someone read this article and tell me the 1) key ideas and 2) one key quote (copy and paste the link the article is not to long at all)from

Even before world war ii had ended, it was apparent that the allies would not remain friends in the post-war era. describe how the conflict between the superpowers manifested itself in the two following region: asia