What is one of ths most important functions of setting that is often overlooked

In this example, what does the author use to describe laurie

Match each stanza structure to the correct term. a stanza of two lines quatrain a stanza of four lines octave a stanza of six lines couplet a stanza of eight lines sestet arrowboth arrowboth arrowboth arrowboth

What is an agreement to stop fighting in the cold war?