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Answer: Option C
Explanation:
Both options explains the illegal actions.
"Coerce" means to persuade someone forcefully ,particularly an unwilling person to do something with use of force.
Stacy actions are illegal as he seeks to make a gain over someone wrongfully
Biff is under duress, he is an unwilling person that is forced to do something he doesn't want to do by Stacy.
So therefore both options A and B are true.
A, C, D, and F are correct