Answer:
One should always learn from one's pasy mistakes and avoid them in the future.
Explanation:
Everyone shows up to the party, even people who were not invited. Most of the people don't even know who Gatsby is and how he looks like.
After the parties, people leave recklessly. There is a scene of a guy, called Owl Eyes, who crashes his car just a few seconds after he starts driving away. Furthermore, because he's drunk, he continues to drive it even after one of the wheels has come off.
1. saves the trees, as it doesn't waste paper
2. provides access to more information
3. is more interactive than offline education and helps control the classroom
McCarthyism targeted people who criticized the government, Communist, minorities, and even Hollywood figures.