Im pretty sure its the first one best of luck hope i helped :)
Narrowing your topic. The last one
<span>people were exploring the dark part of human nature and we were increasingly self-aware</span>
Answer:
I believe that The word 'Validate' in this sentence would mean to clarify what the first one is saying.
Explanation:
If you get results from the first "experiment" then the second experiment's results will clarify, or prove what the first experiments answer was
What were the following??