Modern psychological researchers criticize Sigmund Freud's ideas because they claim they offer after-the-fact explanations but fail to behavior and traits.

when your a dog and you need a bone.   go and eat a rabbit

the answer to your question is,

d. when a child was born.

-mabel < 3

they protect against unsafe foods and medicines being sold

explanation:

answer; traffic,pedestrians,parked vehicles and intersections;