Answer:
A) People were more protected from predators.
Step-by-step explanation:
- B is wrong because: Likely not a lot of people knew how to forge weapons using kelts and furnaces back then
- C is wrong because: Dinosaurs were not alive 1 million years ago as—Dinosaurs went extinct 65 million years ago (6.5e7 years ago)
- And D is wrong because: The answer doesnt go with the question and therefore would make no sense.
In conclusion, Answer A. people were more protected from predators, is correct.