The facts that many people give to charity and that most people obey the law regardless of whether someone is watching or not, are field evidence for

A) the invisible hand.
B) fairness.
C) self-interest.
D) cognitive biases.

Invisible Hand

A term coined by Adam Smith to describe the self-regulating nature of the marketplace, where individual self-interests unintentionally benefit society.

Fairness

The quality of making judgments that are free from discrimination, dishonesty, or injustice.