The assassination of President John F. Kennedy on November 22, 1963, took place in a radically different era. The adoption of radio in the 1920s and television in the 1950s created a nationwide audience for news. Word of the shooting in Dallas spread within minutes over both broadcast media. People not only heard about the tragedy in their homes or workplaces, but the development of affordable portable radio receivers meant that people in cars or in other outdoor areas could also listen to the latest bulletins. The broadcast audiences then verbally spread the news to other people directly or via telephone.
When using if and can't they both have the similar "self doubt" aspect in them. Like "If I can do it..." and "I can"t do it." Both of these statements are basically questioning their self worth.
C. Logos
because Thoreau appeals to the audience by using logic and/or reason
Remember claims should start with “if” and then have “than”.
If books are heavy than you should not be able to pick them up. Considering muscular strength of the human body the heavier something is the less likely they will be able to pick it up. Thicker books are known to be heavier because they use more paper. Over the years it has been scientifically proven that books are getting longer. It is known that young adult books are the heaviest. This means that most books are known to be heavy.
Juliet Ask Friar Laurence for a soultion to her problem which was how could she find a way to not marry Paris.
Hope this helped.