The age to drive should not be raised to 21. Sixteen year olds are perfectly capable of driving. They are also in high school and soon to be in college. They should be able to leave and get food as well as drive to practice if they wish to peruse sports. If you are legally mature at the age of 18. Then you should be able to drive since way before the age of 21 at least.
Gatsby suggests that her wealth is a defining and intrinsic aspect of Daisy's character.
What you can assume from someone having a "voice full of money" is that their wealth affects their being in a lot of ways, as deeply as their speech:
- thanks to access to education and literature, she probably has a varied vocabulary;
- because she was brought up in a respectable family, she probably was taught to use decent language and does not say any vulgarities;
- she probably has a lot of confidence due to her high social status, and speaks in a poised, assertive way.
