I believe the answer is D. Hope this helps you.
The definition of robbery is: the action of robbing a person or place.
The struggle or clash would be the conflict(C) because conflict is a disagreement or a clash of ideas.
Answer: Of Mice and Men focuses on the lives of George Milton and Lennie Small, two friends who are working towards a shared dream of owning their own piece of land during the Great Depression. Of Mice and Men explores themes of human interaction, dependence, and the damaging effects of isolation.
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