abab cdcd efef gg. Because the vast majority of Shakespeare’s sonnets followed this rhyme scheme, it came to be known as Shakespearian Sonnet.
It expresses that the people are working together to make a more perfect union and make the United States of America a legitimate country with a constitution. The people in power are chosen by the general population, so it's a form of representative democracy.
U.S. Victory - Vietnam
Soviet/communist victory - Cuba