Answer: A theory of mind.
Explanation: Theory of mind is a cognitive skill that refers to the ability to tell what others are feeling. Because Sara does not recognize the other children being upset when she takes their toys, she has not developed theory of mind
He defended the true and original principals of the federal constitution and the economic and civil liberties, other than that he was pretty disappointing because he wasn't consistent in a lot of areas.
C. personalities, often involving anger and ego clashes
I believe the answer is: precedent
In social setting, we can see a precedent in court ruling.
When a supreme court ruled a controversial case, the other courts would most likely use the ruling as a precedent to settle similar cases that might appear in the future.