How does the blacksmith in "for want of a horsehoe nail" interact with the king's groom?

the blacksmith is rather selfish, while the king's groom shows great concern for others.
the blacksmith is responsible and dedicated, while the king's groom is confused and unreliable.
the blacksmith is patient and accommodating, while the king's groom is rash and careless.
the blacksmith is cheerful and kind, while the king's groom is glum and rude.

One of the author's purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with enormous speed mark this and return save and exit next submit