Their writing became regional, focusing on rural aspects of American life.
<span>Formal and informal language serve different purposes. The tone, the choice of words and the way the words are put together vary between the two styles. Formal language is less personal than informal language. It is used when writing for professional or academic purposes like university assignments.</span>
<span>Kennedy is using a rhetorical question to ask for support in making life better for everyone.</span>
Tone can be best described as as yelling, screaming, or any kind of noise.
For instence, if I were yelling while watching the Super Bowl, that would be a tone.
Hope my example and answer helps!