Answer:
The answer is: ALL APPLY (A, B and C)
Step-by-step explanation:
Expressed struggle exists because both Frank and Samantha are conscious about the conflict and both know a disagreement exists.
Scarce resources are involved because there is not enough money to buy or build all the things that Frank and Samantha want.
Incompatible goals are involved because Frank and Samantha want different things; Frank wants a new car and Samantha wants a new room.