1. Your backyard is a Garden of Eden. (Biblical allusion)
2. I guess I should see this message about a new job as my burning bush. (Biblical Allusion)
3. When you feel betrayed by a friend, you can say, "You too, Brutus?" (allusion to Julius Caesar-Brutus betrayed Caesar)
4. You're a regular Einstein. (allusion to a historical figure)
5. When your parents learn about your new plan to raise money, it's going to sink like the Titanic. (allusion to a historical event)
Answer:
superlative is correct. to determine the degree of comparison ask yourself how many things are being compared
The Industrial Revolution changed the thinking of societies members. It placed the world on the fast track to the most amazing, complex society that could ever be imagined.