Most young children are fearful of bees, even though they have never been stung by one. this best illustrates that fear:

Can be learned through observation

Explanation:

Observation can teach us many things such as when we see that some behavior are not rewarding and we stay away from those behavior as kids and we have seen those which bring rewards and we work towards performing similar behavior.

Young children are very good at observing because their learning is formed mostly through observing others and imitating similar behavior or staying away from certain behavior.

They observe people getting burnt by fire or hot stove and realise that stoves and fires are dangerous.

They have seen people being stung by bees and having swollen faces and they realize bees are dangerous and they should fear them.

answer; the basal forebrain;

no because it could make the world a terrible place to live in.