Answer: It would've lead to new inventions being made as a result of the new information being learned
Explanation:
Answer: Dinosaur tracks are a type of trace fossil. These are evidence of an animal's activity when it was alive, but are not part of the animal itself.
Probably 1, however I can see why that would be a tiny bit confusing.
Building walls protects from incoming invaders(at least back in the day), creating armies, makes a force to go and fight to protect the people, and what was the other one? Oh yea, moving to a safer place.
Doing that would mean making invasions less likely, and making your people feel and be safer.
Hope this helps.
Answer:
they wake up and do stuff
