Various members of the same family were involved in a real estate business.

The family business went sour when one son, Randy, physically threatened one of his siblings. Randy's threat scared the family. Randy said that if his parents didn't sell him the most valuable land near a shopping mall at a steep discount, he was going to set his brother Ricky's house on fire.

Fearing for Ricky's safety, the parents sold the valuable land to Randy far below market value.

What principle of contract law could Randy's parents argue to try to 'overturn' this contract?

Make sure you consider what actually happened on these facts.

A)

consideration

B)

legality

C)

duress

D)

undue influence

E)

mistake